Italian keratin bonds · AV Extension London
Premium Slavic Keratin Bond Extensions LondonMicro 0.5g, Nano 0.3g and Invisible 0.2g Italian Keratin Bonds
Premium Slavic Russian hair carries a particular weight and lustre that synthetic blends and processed Asian or Indian hair simply cannot replicate.
Book your free consultationFree on WhatsApp, no obligation Discover the method
01100% Intact CuticleSingle-direction Remy alignment, never acid-stripped and never silicone-coated.Learn more
02Three Bond SizesMicro 0.5g, nano 0.3g and invisible 0.2g, all in premium Italian keratin.Learn more
0312-Month GuaranteeWe guarantee the quality of the premium Slavic hair for 12 months from application.Learn more
04Written Quote FirstFrom £500 to £1,900, confirmed in writing before any appointment is booked.Learn more
In short
Premium Slavic Russian keratin bond hair extensions at AV Extension London. Three bond sizes (micro 0.5g, nano 0.3g, invisible 0.2g) using premium Italian keratin on 100% Premium Slavic Remy hair and baby hair. VTCT Level 3 certified specialist Ariadna, founder of AV Extension, working since 2016, with 15+ diplomas, 2000+ clients, and 2,600+ five-star reviews. Full head application £500 to £1,900 with transparent written quote before booking. Studio at Adenmore Rd, Catford, London SE6 4BT (15 min from London Bridge, free parking) plus mobile service across 10 premium Central London postcodes. Free 24/7 WhatsApp consultation at 07465656570. 12-month hair quality guarantee.
The raw material
The difference between ordinary extensions and the ones that make people lean closer, touch their own hair, and quietly ask where did you get these done sits entirely in the raw material. Premium Slavic Russian hair carries a particular weight and lustre that synthetic blends and processed Asian or Indian hair simply cannot replicate. Each strand collected from donors across the Slavic regions of Russia, Ukraine, and Belarus holds its cuticle layer intact, aligned in a single direction. That alignment is not a marketing phrase. It is the physical reason the hair resists tangling, holds colour, and moves the way your own hair moves when it catches a breeze through an open car window.
At AV Extension London, we work exclusively with this grade of hair. No blends. No substitutions. Ariadna, founder of AV Extension and lead specialist with VTCT Level 3 NVQ certification, working since 2016, with 15+ professional diplomas in hair extensions, and a client book of over 2000 women across London, selects every batch personally. The reason is plain. When you bond premium Slavic Russian hair extensions to a client's natural hair using Italian keratin, the quality of the source material and the bonding agent together determine whether the result lasts three months or twelve. We aim for twelve.
Full head from£500
Bond sizes0.2-0.5 g
Hair guarantee12 months
Clients2000+
Client voices
What Clients Say About AV Extension
Hello Ariadne! I came back for the second time for hair correction, even this time I was not disappointed. I left with a smile on my face. I am satisfied with the effect and quality of work. Thank you for the discount and the speed with which you applied them. I'm sure I'll be back!
Hello Ariadne! I was with you for the first time in the salon for a consultation, about hair extensions. Thank you for your persuasion, that's why I returned to you. I am sure that I have found my master and that they will come to you next time. Do you have availability for this week?
My clients are very satisfied with the nails I do for them. My turn to thank you for this wonderful course! I already feel motivated and full of experience thanks to your course. You are a great master!
My dear AV! You are the best of the best! I look at a miracle every day, my hair is beautiful. I came to the conclusion that this is mine! Thank you for being you and giving people the opportunity be different in your style! When I return to the country, we will definitely see each other! Good luck in everything you do!
Good evening ! A 10+ rating from Miss Ariadne, who did my extensions and styled my hair. You are the bravest and the best! Good luck and thanks for your service!
Hello ! I drove past this salon every day, but due to fatigue, I could not get into it until one day when I had to sign up for the last hundred meters, before the party. I was very surprised when I opened the salon door. Very clean, tidy and nice! I will recommend with confidence!
Hello! Providing quality, professional services. The mood was on point! I will return with pleasure! Thank you!
I did hair extensions and was very pleased. Fast, quality and good. I will be back for sure! The salon is also beautifully made, we were greeted warmly and respectfully! Thank you !
The hair
What Makes Premium Slavic Russian Hair the Finest Choice for Extensions
Hair markets sell dozens of labels. Double-drawn, virgin, Remy, temple hair, European. Most of these terms describe processing methods, not origin. Slavic Russian hair describes both. The donors live in regions where cold winters and specific genetics produce hair that is naturally fine in diameter yet dense in volume. Strong without being coarse. Smooth without being limp. This particular combination of qualities makes premium Slavic hair the gold standard among extension specialists who value longevity and natural integration above all else.
Hair sourcing
OriginRussia, Ukraine, Belarus
Cuticle100% intact, single-direction
GradeRemy, double drawn
Guarantee12 months
Intact Cuticle and Single-Direction Alignment
When a strand of premium Slavic hair reaches our studio, every cuticle scale still faces the same direction it grew in. Cheaper hair goes through acid baths that strip the cuticle entirely, then coated with silicone to fake the shine. That shine washes out by the third shampoo. Ours does not. The hair we work with is Remy-grade, meaning root-to-tip alignment is preserved from the moment of collection through every stage of sorting, washing, and colouring. This is the reason premium Slavic Russian hair extensions resist matting, hold a blow-dry for days, and integrate into your natural texture as though they had always been there. The intact cuticle also explains why clients report their extensions feeling softer with each wash rather than drier, a quality that stripped and coated hair cannot sustain past the first few weeks.
Baby Hair and Ultra-Fine Options
For clients with particularly fine or thin natural hair, we source Slavic baby hair. This is not a clever name for thin adult hair. It is genuine hair collected from very young donors, finer in diameter than any adult strand. The individual fibres measure between 40 and 55 microns, compared to 60 to 80 microns for standard adult Slavic hair. Paired with our invisible 0.2g keratin bonds, baby hair creates a result so subtle that even experienced hairdressers struggle to find the attachment points. This option has become the preferred choice for clients with alopecia, thinning at the temples, or hair that has been weakened by medical treatments or hormonal changes.
Colour Matching and Natural Shade Range
Slavic Russian hair arrives in an unusually broad range of natural shades, from ash blonde and cool light brown through warm chestnut to deep espresso. Because the cuticle remains intact, the hair accepts custom colouring with predictable, even results. We colour-match every set to your natural root shade and preferred lengths, blending premium Slavic hair extensions so precisely that the join between your own hair and the bonded strands disappears entirely. Clients who colour their natural hair regularly find that Slavic Remy hair holds salon colour for significantly longer than processed alternatives, reducing the need for frequent toning and extending the time between colour refresh appointments.
Sourcing and Ethical Collection
Every batch of premium Slavic Russian hair we use is sourced directly from trusted collectors in Russia, Ukraine, and Belarus. The hair is cut, not gathered from brushes or floors, and sorted by length, colour, and texture before it reaches London. Ariadna inspects each delivery against strict quality criteria, rejecting any batch that shows signs of chemical processing, uneven cuticle direction, or inconsistent diameter. This direct sourcing chain eliminates the middlemen who dilute quality by mixing origins, and it allows us to guarantee that every strand bonded to your hair is exactly what we say it is. Traceability is not a trend for us. It is the foundation of the 12-month quality guarantee we place on every set.
Explore
Other Hair Extension Services
The technique
Italian Keratin Bond Technology at AV Extension
Every extension at AV Extension is attached using Italian keratin bonds, a technique also known as hot fusion hair extensions or pre-bonded keratin extensions. We never use glue, tape, clips, or micro-rings. The premium Italian keratin we work with is a medical-grade protein compound that mirrors the molecular structure of natural human hair. When heated to the precise temperature and moulded around a small section of your hair, it forms a bond that is secure yet gentle, flexible yet lasting. The keratin softens with controlled heat during application and sets into a smooth, flat connection that sits invisible against the scalp. Three bond sizes. One philosophy. Results that people feel before they see.
Bond specification
Micro bond0.5g
Nano bond0.3g
Invisible bond0.2g
KeratinPremium Italian
Micro Keratin Bond (0.5g)
The micro keratin bond at 0.5 grams suits clients with medium to thick natural hair who want noticeable volume and length. Each bond holds enough premium Slavic Russian hair to add visible body without weighing down the root. The Italian keratin distributes the weight evenly across a wider attachment area, preventing stress on individual strands. Application for a full set takes between 3 and 5 hours depending on the bond count. The bonds sit flat against the scalp, remain comfortable throughout the full wear period of 2 to 4 months, and release cleanly during professional removal without pulling or breaking your natural hair.
Nano Keratin Bond (0.3g)
For finer hair or areas where discretion matters most, the nano keratin bond at 0.3 grams reduces the attachment point to almost nothing. Lighter on each strand, these bonds distribute weight more evenly and work well on hair as short as 7 cm. The nano keratin bond is our most popular choice among clients who have never worn extensions before and want a natural, undetectable result with premium Slavic hair. The smaller bond size also means faster application times and a more comfortable wear experience, particularly for clients who are active, exercise regularly, or prefer to wear their hair up in ponytails and braids without any visible attachment points.
Invisible Keratin Bond (0.2g)
The smallest in our range. At 0.2 grams per bond, the invisible keratin bond is engineered for the most delicate situations. Growing-out pixie cuts. Alopecia-affected areas. Ultra-fine baby hair around the temples and hairline. Hair recovering from chemical damage or medical treatment. Each bond is so small that it vanishes beneath even the thinnest top layer of natural hair. Combined with Slavic baby hair and our premium Italian keratin, this method produces results that redefine what extensions can achieve on compromised or very short hair. We have successfully applied invisible bonds on natural hair as short as 5 cm, a length that most London salons will not even attempt.
Comparison
Premium Slavic Russian Hair vs Other Hair Types
| Feature | Premium Slavic Russian Hair | European / Indian Hair | Asian / Synthetic Blend |
|---|---|---|---|
| Cuticle Integrity | 100% intact, single-direction | Partial or acid-stripped | Removed, silicone-coated |
| Lifespan with Proper Care | 12+ months (guaranteed) | 4 to 8 months | 1 to 3 months |
| Tangle Resistance | Excellent (aligned cuticle) | Moderate | Poor after first wash |
| Colour Absorption | Even, predictable results | Variable, may fade unevenly | Cannot accept colour well |
| Texture Match to Fine Hair | Natural, seamless blend | Often too coarse | Unnatural sheen |
| Heat Styling Tolerance | Up to 200C, no damage | Up to 180C, caution | Not recommended |
| Weight per Strand | Light, natural drape | Medium, can feel heavy | Heavy, unnatural movement |
| Bonding Method | Italian keratin fusion (hot fusion, pre-bonded) | Varies (glue or keratin) | Synthetic glue or tape |
Suitability
Who Benefits Most from Premium Slavic Keratin Bond Extensions
Our clients come to AV Extension with different starting points, but the most common situations we work with include:
- women growing out a pixie cut or short bob who want length without waiting twelve months for it to grow naturally;
- women with fine or thin hair who have been told by other salons that extensions are not suitable for them;
- women experiencing thinning or hair loss from hormonal changes, stress, postpartum recovery, or medical treatments;
- women with hair as short as 5 to 10 cm who want to add both length and density;
- women who have tried tape or clip-in extensions and want a permanent, invisible alternative;
- and women who simply want the finest quality hair available in London, bonded with a method that protects rather than damages their natural hair.
Regardless of the starting point, the approach is the same. Ariadna assesses your hair structure, selects the correct bond size and premium Slavic hair weight, creates a placement map that maximises coverage while minimising stress on the natural roots, and applies each Italian keratin bond with the precision that only work since 2016 and 2000+ applications can produce.
Our Services
About AV Extension
At AV Extension London, we work exclusively with this grade of hair. No blends. No substitutions.
More about the studioReviews
Over 2,600 five-star reviews confirm it. Over 2000 clients confirm it.
See our workCertificates
Ariadna, our lead specialist with VTCT Level 3 NVQ certification and 15+ professional diplomas in hair extensions, selects every batch personally.
Ask about qualificationsYour journey
Your Journey with Premium Slavic Keratin Bond Extensions at AV Extension
- 1
Free Online Consultation via WhatsApp
Everything begins with a conversation. Send a message to 07465656570 on WhatsApp at any hour, any day. Share photos of your current hair, describe the length and volume you want, ask every question you have. Ariadna responds personally. No bots. No scripted replies. Free WhatsApp consultation 24/7 means exactly that. During this consultation, you will receive a detailed written quote that covers the bond count, hair weight, length, and total cost. You will know the exact price before you make any commitment.
- 2
In-Studio Trial Consultation (£50)
For clients who want to see and feel the result before committing, we offer an offline consultation at our studio, Adenmore Rd, Catford, London SE6 4BT. During this session, Ariadna applies 5 trial keratin bonds of premium Slavic Russian hair directly into your own hair using the same premium Italian keratin used in full applications. You leave the studio wearing them. Sleep on them. Wash them. Style them. See how they blend with your natural texture over several days. The consultation fee is £50 and includes a detailed analysis of your hair structure, a personalised hair growth plan using extensions, individual aftercare product recommendations, and a written quote for your full set. Many clients book their full application before they leave the studio, because feeling the quality of the Slavic hair and Italian keratin bond on their own head removes every remaining doubt.
- 3
Full Application Day
A full set of premium Slavic Russian keratin bond hair extensions takes between 3 and 5 hours depending on the number of bonds. The studio at Adenmore Rd, Catford, London SE6 4BT is private, quiet, and equipped with free parking directly outside. Every bond is placed individually by Ariadna using our signature technique that positions the Italian keratin flat against the scalp, making each attachment point completely invisible under the natural hair. Alternatively, Ariadna travels to your home across 10 of London's most sought-after postcodes, including Mayfair, Knightsbridge, Chelsea, Kensington, Belgravia, Notting Hill, Westminster, Canary Wharf, Marylebone, and St John's Wood. The mobile service delivers identical results to the studio experience, with full equipment brought to your location.
- 4
Aftercare, 24/7 Support, and Individual Hair Growth Plan
Every client receives an individual aftercare plan tailored to their hair type, lifestyle, and growth goals. We recommend specific products, washing techniques, sleeping positions, and styling methods that protect both your natural hair and the Slavic Russian keratin bond extensions. What separates AV Extension from every other studio in London is what happens after you leave the chair. 24/7 WhatsApp support runs throughout the entire wear period. If a bond loosens, if you have questions about colour refresh, if you are travelling and need styling advice, one message is all it takes.
We also create an individual hair growth plan for every client who wants to use extensions as a tool to grow their natural hair to a desired length. The plan maps out how long each set should be worn, when maintenance appointments should fall, which lengths to choose at each rebonding session, and what nutrition and topical care will support your natural growth rate. Extensions are not just about instant length. They are a bridge between where your hair is today and where you want it to be in twelve months. We guarantee the quality of the premium Slavic hair for 12 months from the date of application.
Investment
Premium Slavic Keratin Bond Hair Extensions London Price Guide
Premium Slavic keratin bond hair extensions at AV Extension London cost between £500 and £1,900 for a full head application. The exact price depends on the bond count, the weight of premium Slavic hair chosen, the desired length, and whether you visit our studio at Adenmore Rd, Catford, London SE6 4BT or request our mobile service across Central London. We believe that a client who understands exactly what she is paying for is a client who returns. That is why every quote is confirmed in writing during your free WhatsApp consultation, before any appointment is booked. No hidden charges on the day. No surprise add-ons. The Italian keratin, the 100% premium Slavic Remy hair, the application time, the aftercare plan, and the 12-month hair quality guarantee are all included in the quoted price. What you see in writing is what you pay.
Klarna Pay-in-3
Split into three payments. Available on treatments.
Bank Transfer or Cash
Direct payment at the studio.
Studio: Adenmore Rd, Catford, London SE6 4BT (15 min from London Bridge, free parking)
Mobile service: across 10 premium Central London postcodes
Since 2016
No blends.
No substitutions.
At AV Extension London, we work exclusively with this grade of hair.
The studio difference
Why Choose AV Extension for Premium Slavic Keratin Bond Hair Extensions in London
Three distinctions
London has no shortage of salons that claim to offer Slavic hair extensions. Many of them do. The distinction lies in three places. How the hair is sourced. How it is bonded. What happens after you leave the chair.
Sourcing and bonding
At AV Extension, the sourcing is direct and traceable from Slavic regions to our studio. The bonding uses premium Italian keratin in three bond sizes selected for your specific hair type.
One method, many names
Whether you know this method as fusion extensions, pre-bonded extensions, or keratin bonds, the result is the same at AV Extension. The aftercare is not a leaflet handed to you at the door. It is a relationship that lasts the full wear period and beyond.
Support that continues
Ariadna has maintained active WhatsApp threads with clients for months at a time, adjusting care routines, scheduling maintenance, answering questions about heat tools and swim holidays and wedding hairstyles.
Your journeyCompletely invisible
Our technique places each keratin bond so that it sits completely invisible within the natural hair. This is the detail that separates a competent application from one that changes how a woman feels when she catches her reflection.
Confirmed by clients
Over 2,600 five-star reviews confirm it. Over 2000 clients confirm it. And every new client who runs her fingers through the finished result and says I cannot feel them confirms it again.
Real resultsThree bond sizes. One philosophy.
Results that people feel before they see.
Client voices
What Our Clients Say
Ilona Godlevschia year agoI am OBSESSED with my new hair extensions! They instantly transformed my look, adding so much length and volume - it feels like a total makeover! The quality is incredible; they blend perfectly with my natural hair, and I’ve already received so many compliments. I can style them just like my own hair, whether it’s curling or straightening. These extensions have completely boosted my confidence, and I can’t believe I waited this long to try them. If you’re thinking about it, DO IT! Life-changing!
Vasi Dimitrovaa year agoI am absolutely blown away by my hair extensions! They’ve completely transformed my look, and I feel like a superstar! The length and thickness are just perfect, and they blend so seamlessly with my natural hair. I’ve never felt this confident or excited about my hair before! Plus, they’re so easy to style and maintain. I’m officially addicted - I’ll never go without them again! Seriously, these extensions are a must-have for anyone wanting to elevate their hair game!
Ekaterina Rowell3 years agoI have been looking for a professional of high standard for years (and in different cities) and couldn’t be happier I have found Arianna’s salon. The quality of her work is beyond any praise, she is super-knowledgeable in anything to do with hair extensions and she is just a talented, beautiful person. I no longer have to go to Europe to get extensions which are so tiny, they won’t damage my hair and are just invisible. Thank you Ariadna for the amazing experience, you are a gem!
via InstagramHello! Very good quality and prices. Blonde from the salon with long hair, I don’t remember the name, she is very kind and cheerful, and I want to thank her in this way for recommending my dye, you were right to give a special shine to the hair, and the color is sensational and even lasts. I will be happy to return, especially since the packaging of the paint is very convenient. Congratulations salon. Good luck !
via InstagramHello! I have no words to describe the AVextension salon, I was greeted with great warmth, very good service, you are doing a wonderful job! This happened!
via InstagramHello! I have been satisfied in every way with your services. Cleanliness, very good prices, and customer care! Thanks and good luck!!!
Questions
Frequently Asked Questions about Premium Slavic Keratin Bond Hair Extensions
How much do premium Slavic keratin bond hair extensions cost at AV Extension London?
Premium Slavic keratin bond hair extensions at AV Extension London cost between £500 and £1,900 for a full head application. The exact price depends on the bond count, premium Slavic hair weight chosen, and desired length. Everything is confirmed in a fully transparent written quote during your free WhatsApp consultation, before any appointment is booked and with absolutely no hidden charges on the day. Our Italian keratin and 100% premium Slavic Remy hair justify every penny of the investment.
Short answer: £500 to £1,900 at AV Extension London depending on bond count and hair weight. Full transparent quote confirmed before booking. No hidden charges. premium Italian keratin, 100% Premium Slavic Remy hair.
How long do premium Slavic Russian keratin bond hair extensions last with proper care?
Premium Slavic keratin bond hair extensions applied with Italian keratin hold securely for 2 to 4 months before a maintenance appointment is needed, depending on your natural hair growth rate. The premium Slavic hair itself carries a 12-month quality guarantee from the date of application, meaning the same strands can be professionally removed, reconditioned, and rebonded to fresh roots for continued wear throughout the full guarantee period.
Short answer: Italian keratin bonds hold 2 to 4 months before maintenance. Premium Slavic hair guaranteed 12 months. Same hair rebonded at each maintenance session. AV Extension London.
Can premium Slavic keratin bond extensions be applied to very short hair of 5 to 10 cm?
AV Extension is one of very few studios in London that accepts clients with hair as short as 5 cm for keratin bond extensions. Using invisible 0.2g Italian keratin bonds and Slavic baby hair, Ariadna attaches each strand individually to your existing length, creating a seamless transition as your natural hair continues to grow. We also create an individual growth plan that maps your journey from short to long.
Short answer: AV Extension applies invisible 0.2g Italian keratin bonds on hair from 5 cm using Slavic baby hair. Individual growth plan included. One of very few London studios accepting this length.
What is the difference between premium Slavic Russian hair and regular European hair extensions?
Premium Slavic Russian hair retains its full cuticle layer in a single direction, which prevents tangling and extends the usable lifespan beyond 12 months. Most European-labelled hair undergoes acid processing that strips the cuticle entirely, replacing natural texture with a temporary silicone coating that degrades within weeks. The difference is visible from the first wash and becomes dramatic by the third month of wear.
Short answer: Slavic Russian hair keeps full cuticle intact, single-direction, 12+ month lifespan. European hair typically acid-stripped and silicone-coated, lasting weeks before degrading. AV Extension London uses only premium Slavic Remy grade.
Does AV Extension offer a mobile service for premium Slavic keratin bond extensions in Central London?
Ariadna travels to clients across Mayfair, Knightsbridge, Chelsea, Kensington, Belgravia, Notting Hill, Westminster, Canary Wharf, Marylebone, and St John's Wood. The full application of premium Slavic Russian keratin bond hair extensions can be completed in the comfort of your own home with identical results to the studio. Full professional equipment is brought to your location, and the same premium Italian keratin is used throughout.
Short answer: AV Extension mobile service covers Mayfair, Knightsbridge, Chelsea, Kensington, Belgravia, Notting Hill, Westminster, Canary Wharf, Marylebone, St John's Wood. Full premium Slavic keratin bond application at your home.
How much does the AV Extension consultation cost and what does it include?
Two consultation options exist. The WhatsApp consultation is free and available 24/7 at 07465656570. The in-studio consultation costs £50 and includes 5 trial Italian keratin bonds with premium Slavic hair applied to your own hair, a hair structure analysis, an individual growth plan, personalised aftercare product recommendations, and a fully transparent written quote for your complete set.
Short answer: WhatsApp consultation free 24/7 at 07465656570. In-studio consultation £50 includes 5 trial Italian keratin bonds with premium Slavic hair, hair analysis, growth plan, written quote.
Will premium Slavic keratin bond hair extensions damage my natural hair?
Italian keratin bonds are the gentlest attachment method available for hair extensions. The protein-based formula mirrors the molecular composition of natural hair and does not pull, break, or stress the root. AV Extension uses three bond sizes (0.5g, 0.3g, 0.2g) specifically to match the weight tolerance of each client's hair type. Lighter bonds for finer hair. No exceptions. Professional removal is equally gentle, leaving natural hair undamaged.
Short answer: Italian keratin bonds are protein-based, matching natural hair composition. Three sizes (0.5g, 0.3g, 0.2g) matched to hair type weight tolerance. No pulling, no breakage. AV Extension London, VTCT Level 3 certified.
Can premium Slavic Russian keratin bond hair extensions be coloured and heat-styled after application?
Premium Slavic Russian hair tolerates heat tools up to 200 degrees Celsius and accepts colour treatments evenly because the intact cuticle allows pigment to bond properly. The Italian keratin is unaffected by standard heat styling temperatures. Ariadna provides specific guidance on recommended products, colouring techniques, and heat protection during your personalised aftercare plan to ensure both the bonds and the hair maintain their quality throughout the wear period.
Short answer: Premium Slavic hair tolerates heat to 200C, accepts colour evenly due to intact cuticle. Italian keratin bonds unaffected by styling heat. Personalised aftercare plan included. AV Extension London.
Begin
Begin Your Premium Slavic Hair Journey Today
Everything begins with a conversation. Send a message to 07465656570 on WhatsApp at any hour, any day. Share photos of your current hair, describe the length and volume you want, ask every question you have.
Ariadna responds personally. No bots. No scripted replies. Free WhatsApp consultation 24/7 means exactly that.
Full head application £500 to £1,900 with transparent written quote before booking. 12-month hair quality guarantee.
Direct line
Contact AV Extension on WhatsApp: 07465656570
Free 24/7 WhatsApp consultation at 07465656570.
Mon-Sat · 09:00-20:00
Studio at Adenmore Rd, Catford, London SE6 4BT (15 min from London Bridge, free parking) plus mobile service across 10 premium Central London postcodes.