- Companies
- Property developers
- London
- Thornlake Construction Ltd
Thornlake Construction Ltd
- Company number
- 17093824
- Incorporated
- 16 Mar 2026
- Registered office
- Office Gold Building 7, Floor 5, 566 Chiswick High Road, Chiswick Business Park, London, W4 5YG
- Nature of business
- Development of building projects; Other building completion and finishing; Combined facilities support activities
Thornlake Construction Ltd is a newly incorporated private limited company registered in London, company number 17093824, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Thornlake Construction Ltd is registered
The registered office is in London (W4), in the Hounslow local authority area, London. Show W4 5YG on a map.
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Also registered at this address
5 other companies use the same registered office as Thornlake Construction Ltd.
- Fourstone Property Group LimitedProperty developers
- Oasis Design and Build LtdBuilders
- Oasis Developers Hastings LtdProperty developers
- Oasis Developers Shanklin LtdProperty developers
- Roomsuite Investments LimitedProperty developers
What happens if Thornlake Construction 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 17093824
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 March 2026
- Registered office
- Office Gold Building 7, Floor 5, 566 Chiswick High Road, Chiswick Business Park, London, W4 5YG
- Nature of business
- Development of building projects (SIC 41100)
Other building completion and finishing (SIC 43390)
Combined facilities support activities (SIC 81100) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in London
Other active property development companies registered in London.
- Thornspan Limited1998
- Thornton Park Management (London) Limited2018
- Thornycroft Construction Limited2020
- Thorpe Bros.(Properties)Limited1935
- Thorstone Securities Limited1989
- Three Keys Developments Limited2026
- Three Keys Group Limited2026
- Three Little Pigs Properties Ltd.2015
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Thornlake Construction Ltd's accounts due?
Thornlake Construction Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Thornlake Construction Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Thornlake Construction Ltd still trading?
Thornlake Construction 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 Thornlake Construction Ltd do?
Thornlake Construction Ltd is registered under Development of building projects (SIC 41100); Other building completion and finishing (SIC 43390); Combined facilities support activities (SIC 81100).
How old is Thornlake Construction Ltd?
Thornlake Construction Ltd was incorporated on 16 March 2026, less than a year ago.
What is the penalty if Thornlake Construction 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 Thornlake Construction 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.