- Companies
- Specialist contractors
- London
- Cowley Build Ltd
Cowley Build Ltd
- Company number
- 15424023
- Incorporated
- 18 Jan 20242 years trading
- Registered office
- 352, 352 Fulham Road, London, Uk, SW10 9UH
- Nature of business
- Other specialised construction activities n.e.c.
Cowley Build Ltd is a 2-year-old private limited company registered in London, company number 15424023, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
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 £3,022 (+16.4%) on the year before, to £21K.
- Current assets of £55K against £77K owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £21K | £55K | £77K | 2 | |
| 31 Dec 2024 | £18K | £6,957 | £25K | 2 |
Where Cowley Build Ltd is registered
The registered office is in London (SW10), in the Kensington and Chelsea local authority area, London. Show SW10 9UH on a map.
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What happens if Cowley Build Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2028 | 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
- 15424023
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 2024 (2 years ago)
- Registered office
- 352, 352 Fulham Road, London, Uk, SW10 9UH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 27 December 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Cowley High Voltage Systems Ltd2024
- CPK Facilities Management Ltd2026
- Cpli Ltd2016
- CPRP Services Limited2021
- CQ Engineering Ltd2018
- CR Flooring Services Ltd2023
- Craciun Groundwork Ltd2020
- Crafted Constructions Ltd2026
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Cowley Build Ltd's accounts due?
Cowley Build Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Cowley Build Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Cowley Build Ltd still trading?
Cowley Build Ltd is listed as active on the Companies House register as of 1 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 Cowley Build Ltd do?
Cowley Build Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Cowley Build Ltd?
Cowley Build Ltd was incorporated on 18 January 2024, 2 years ago.
What is the penalty if Cowley Build 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 Cowley Build Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 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.