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London builder for house extensions, renovations and kitchen and bathroom refurbishments
Key facts
- Trading name
- BCS Builders London
- Registered company
- BCS - BUILDING CONTRACTOR & SERVICES LTD
- Company number
- 06883097 (Companies House, status Active, checked 24 October 2026)
- Established
- 2009
- Registered office
- Unit 19, 1-13 Adler Street, London, E1 1EG
- Areas covered
- London
- Registration
- Registered at Companies House as BCS - Building Contractor & Services Ltd, company number 06883097, incorporated 21 April 2009, status active, SIC 43390 (other building completion and finishing). Daniel Stanislaw Pietrusinski is recorded as an active director, and the claim was made by Daniel from the business's own email domain. The phone number on the claim matches the firm's website. Checked 30 September 2026. The business claimed this listing on 29 September 2026.
- Qualifications
- The website lists FMB membership, Which? Trusted Traders, Constructionline, HAS accreditation and Gas Safe registration (stated by the business, not checked by Whito).
- Services
- House extensions (rear, side return and wraparound), Full house renovations, Kitchen refurbishments, Bathroom refurbishments, New-build projects, Design and planning support
- Phone
- 07832 230866
- Website
- bcsbuilderslondon.co.uk
- Listing status
- Verified. The business has claimed this listing and confirmed its details with Whito
- Listing last updated
- 24 October 2026
What Whito has checked
- Listed: yes. Public entry since 30 September 2026
- Companies House matched: yes. Company 06883097, Active, read 24 October 2026
- Claimed: yes. The business has claimed this listing
- Verified: yes. Whito confirmed identity, contact and claim
- Regulator checked: no. No regulator register read by Whito
- Company record
- Companies House shows Active for company 06883097, read on 24 October 2026. See the register entry
- Regulator register
- Not checked by Whito. The registrations and memberships on this listing are as the business or its website states them. Check each one on the scheme’s own register before you book.
- Listing ownership
- Verified. Whito has confirmed the business’s identity and a working contact. Verified is not a recommendation.
- Website check
- 71 out of 100 on the Whito Visibility Check of bcsbuilderslondon.co.uk, run on 25 October 2026. That is higher than 42% of the 12 builders in this directory whose websites were checked the same way (equal scores do not count as higher). Biggest gaps: company number on the site, signs of fresh content, UK address with postcode. Run the check again, free The score measures how easily people and AI assistants can read and trust the website, across 17 checks such as a secure connection, a visible company number and address, and structured data. It is not a rating of the business or its work. Run this business and want the score removed? Email hello@whito.co.uk.
- AI answers
- No AI answers recorded for this business yet. Whito’s AI studies cover selected trades and towns, so no record does not mean AI assistants never name it. Want this tracked every month? Visibility Monitor, £280 a month. Paying never changes this listing.
Each line means only what it says. Listed, matched, claimed, verified and regulator checked are separate states, and none of them is a recommendation. How Whito collects its data
About BCS Builders London
BCS Builders London is a building contractor based in east London. It builds house extensions, including rear, side return and wraparound layouts, and carries out full home renovations and kitchen and bathroom refurbishments across London.
Visits to the Adler Street office in E1 are by appointment only.
Before you commit to any extension, get a fixed written quote, check who handles planning and Building Regulations sign-off, and ask how stage payments are tied to finished work.
What to check before you book
Some details here come from public sources and some from the business itself, 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 BCS Builders London cover?
BCS Builders London covers London.
Is BCS Builders London registered?
Whito records: Registered at Companies House as BCS - Building Contractor & Services Ltd, company number 06883097, incorporated 21 April 2009, status active, SIC 43390 (other building completion and finishing). Daniel Stanislaw Pietrusinski is recorded as an active director, and the claim was made by Daniel from the business's own email domain. The phone number on the claim matches the firm's website. Checked 30 September 2026. The business claimed this listing on 29 September 2026. Registration can change, so confirm the current registration number with the relevant scheme before you book.
Is this listing verified by Whito?
Yes. The business has claimed this listing, and Whito has confirmed its identity and a working contact. Where a registration scheme is shown above, check the current number on the scheme’s own register before booking. Whito does not publish invented reviews or star ratings.
Run BCS Builders London?
Manage this listing
BCS Builders London has claimed this listing and confirmed its details with Whito. There is nothing to buy here: every listing shows the same fields, and paying cannot move a listing.
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Update this listing
Details changed? Tell us and we will check and update them, free. To correct or remove a listing, email hello@whito.co.uk.
Update BCS Builders LondonThis listing was claimed by the business, which has confirmed its details with Whito. Facts were also checked against public records including, where applicable, the Companies House register. A listing is not a recommendation or an endorsement. Always carry out your own checks before hiring. To correct or update this listing, use the update link above.
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