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Extensions, basements, loft conversions and refurbishment across London
Key facts
- Trading name
- Redline Building Services
- Registered company
- REDLINE BUILDING SERVICES LIMITED
- Company number
- 07992248 (Companies House, status Active)
- Established
- 2012
- Registered office
- 95 Mortimer Street, London, W1W 7GB
- Areas covered
- London, Surrey
- Registration
- Companies House lists Redline Building Services Limited, company number 07992248, incorporated 15 March 2012, status active, SIC 41202 (construction of domestic buildings). The website shows the same company number and registered office. Checked 7 October 2026. This listing was built from public sources; it has not yet been claimed by a director or from the business's own email address.
- Services
- Home extensions, Basement conversions, Loft conversions, Kitchen renovation and refurbishment, New builds, Design and build, Commercial refurbishment and office fit-outs
- Phone
- 020 7183 1053
- Website
- redlinebuilding.co.uk
- Listing status
- Unclaimed. Compiled from public information and not yet verified by the business
- Listing last updated
- 7 October 2026
About Redline Building Services
Redline Building Services is a London builder working on residential and commercial projects, from extensions and basements to full refurbishments and office fit-outs.
The website names West, North and South West London as its main areas, including Chelsea, Fulham, Hampstead, Islington, Kensington and Wimbledon.
What to check before you book
This listing is compiled from public sources, so confirm these directly with the business before any work starts.
- Look for membership of a recognised body such as the Federation of Master Builders (FMB) or TrustMark, and ask whether the work comes with an insurance-backed guarantee or warranty.
- Get the quote in writing, and ask whether it includes parts, certification and VAT.
- Ask for proof of public liability insurance before work begins.
- For an extension, structural work or anything affecting drains, confirm whether Building Regulations approval is needed and ask for the Building Control completion certificate at the end.
Common questions
What areas does Redline Building Services cover?
Redline Building Services covers London, Surrey.
Is Redline Building Services registered?
Whito records: Companies House lists Redline Building Services Limited, company number 07992248, incorporated 15 March 2012, status active, SIC 41202 (construction of domestic buildings). The website shows the same company number and registered office. Checked 7 October 2026. This listing was built from public sources; it has not yet been claimed by a director or from the business's own email address. Registration can change, so confirm the current registration number with the relevant scheme before you book.
Is this listing verified by Whito?
Not yet. This listing is marked Unclaimed, which means it was compiled from public information and has not been independently checked. If the business claims its listing, Whito confirms its identity and a working contact, and only then marks it Verified. Whito does not publish invented reviews or star ratings.
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Claim Redline Building ServicesThis listing was compiled by Whito from public information, including the business website and, where applicable, the Companies House register. It is not a recommendation or an endorsement. Always carry out your own checks before hiring. If you run this business and want the listing corrected or removed, use the claim link above.
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