- Company number
- 14428233
- Incorporated
- 19 Oct 20223 years trading
- Registered office
- Unit 3, Office A , 1ST Floor, 6-7 ST. Mary at Hill, London, EC3R 8EE
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Floor and wall covering; Painting
We Do Foundations and Extensions Ltd is a 3-year-old private limited company registered in London, company number 14428233, one of 12,075 building contractors in London. Companies House shows its accounts as overdue: they were due on 31 July 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £23K (+94.3%) on the year before, to £47K.
- Current assets of £59K against £11K owed within a year: 5.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £47K | £59K | £11K | 0 | |
| 31 Oct 2023 | £24K | £30K | £5,682 | 0 |
Where We Do Foundations and Extensions Ltd is registered
The registered office is in London (EC3R), in the City of London local authority area, London. Show EC3R 8EE on a map.
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Also registered at this address
4 other companies use the same registered office as We Do Foundations and Extensions Ltd.
- DR Forks LimitedProperty developers
- Multimaterials LtdFloor and wall tilers
- Octocycle UK LtdMotor traders
- Sinotruk Group Co., LtdMotor traders
What happens if We Do Foundations and Extensions Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2026 to 31 Aug 2026 | £150 |
| 1 to 3 months late | 1 Sep 2026 to 31 Oct 2026 | £375 |
| 3 to 6 months late | 1 Nov 2026 to 31 Jan 2027 | £750 |
| More than 6 months late | From 1 Feb 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2026 | £200 |
| 3 months late | 31 Jan 2027 | another £200 |
| 6 months late | 30 Apr 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2027 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 14428233
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 October 2022 (3 years ago)
- Registered office
- Unit 3, Office A , 1ST Floor, 6-7 ST. Mary at Hill, London, EC3R 8EE
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Floor and wall covering (SIC 43330)
Painting (SIC 43341) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 18 October 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
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Other active building contractors registered in London.
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- We Renovate T/A Renov8Ate Ltd2026
- We Upcycle Limited2015
- We Yes Electrical Limited2026
- Wealthy Lifestyle Construction Ltd2017
- Weatherly Construction Ltd2022
- Wedid Struct Ltd2025
- Weg Group Limited2023
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Frequently asked questions
When are We Do Foundations and Extensions Ltd's accounts due?
We Do Foundations and Extensions Ltd's accounts were due at Companies House on 31 July 2026 and the register shows them as overdue.
When is We Do Foundations and Extensions Ltd's CT600 due?
The CT600 for the period to 31 October 2025 is due at HMRC by 31 October 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2026.
Is We Do Foundations and Extensions Ltd still trading?
We Do Foundations and Extensions Ltd is listed as active on the Companies House register (checked 12 Oct 2026). Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does We Do Foundations and Extensions Ltd do?
We Do Foundations and Extensions Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Floor and wall covering (SIC 43330); Painting (SIC 43341).
How old is We Do Foundations and Extensions Ltd?
We Do Foundations and Extensions Ltd was incorporated on 19 October 2022, 3 years ago.
What is the penalty if We Do Foundations and Extensions Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View We Do Foundations and Extensions Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.