- Companies
- Property developers
- London
- Cornish Build Ltd
Cornish Build Ltd
- Company number
- 17076864
- Incorporated
- 9 Mar 2026
- Registered office
- Suite G04, 1 Quality Court, Chancery Lane, London, WC2A 1HR
- Nature of business
- Development of building projects
Cornish Build Ltd is a newly incorporated private limited company registered in London, company number 17076864, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 9 December 2027, and its first CT600 is due at HMRC on 8 March 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 Cornish Build Ltd is registered
The registered office is in London (WC2A), in the City of London local authority area, London. Show WC2A 1HR on a map.
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Shared registered office
173 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Cornish 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 9 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Dec 2027 to 9 Jan 2028 | £150 |
| 1 to 3 months late | 10 Jan 2028 to 9 Mar 2028 | £375 |
| 3 to 6 months late | 10 Mar 2028 to 9 Jun 2028 | £750 |
| More than 6 months late | From 10 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17076864
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 March 2026
- Registered office
- Suite G04, 1 Quality Court, Chancery Lane, London, WC2A 1HR
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Previous names
- Glyn Keast Building Contractor Ltd (until 19 May 2026)
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.
- Cornworthy Properties Limited1995
- Corona Real Estate Partners Limited2013
- Coronado Property Holdings Limited2021
- CorporaciÓN Gran Oceano Ltd2019
- Corpro Developments 2 Limited2025
- Corpro Developments 3 Limited2025
- Corpro Developments Limited2022
- Corris Build and Design Ltd2026
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Cornish Build Ltd's accounts due?
Cornish Build Ltd's next accounts are due at Companies House by 9 December 2027 (in 423 days), covering the period to 31 March 2027.
When is Cornish Build Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 8 March 2027, due by 8 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cornish Build Ltd still trading?
Cornish 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 Cornish Build Ltd do?
Cornish Build Ltd is registered under Development of building projects (SIC 41100).
How old is Cornish Build Ltd?
Cornish Build Ltd was incorporated on 9 March 2026, less than a year ago.
What is the penalty if Cornish 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 Cornish 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.