- Companies
- Property developers
- London
- Casey Builders /Developers London Ltd
Casey Builders /Developers London Ltd
- Company number
- 15143274
- Incorporated
- 18 Sep 20233 years trading
- Registered office
- 7 Valleyfield Road, London, SW16 2HS
- Nature of business
- Development of building projects
Casey Builders /Developers London Ltd is a 3-year-old private limited company registered in London, company number 15143274, one of 14,100 property development companies in London. Companies House shows its accounts as overdue: they were due on 30 September 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Casey Builders /Developers London Ltd is registered
The registered office is in London (SW16), in the Lambeth local authority area, London. Show SW16 2HS on a map.
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What happens if Casey Builders /Developers London Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 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 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15143274
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 September 2023 (3 years ago)
- Registered office
- 7 Valleyfield Road, London, SW16 2HS
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2024
- Last confirmation statement
- 17 September 2025
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.
- Caslin Limited1998
- Casper Property Developments Limited2005
- Caspian Construction Limited2022
- Caspian Supply Limited2023
- Castille Property Developments Limited2005
- Castle Combe Estates Limited1998
- Castle Grove Developments Ltd2026
- Castle View Colchester Ltd2021
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Casey Builders /Developers London Ltd's accounts due?
Casey Builders /Developers London Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Casey Builders /Developers London 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 30 September 2025, due by 30 September 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Casey Builders /Developers London Ltd still trading?
Casey Builders /Developers London Ltd is listed as active on the Companies House register (checked 13 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 Casey Builders /Developers London Ltd do?
Casey Builders /Developers London Ltd is registered under Development of building projects (SIC 41100).
How old is Casey Builders /Developers London Ltd?
Casey Builders /Developers London Ltd was incorporated on 18 September 2023, 3 years ago.
What is the penalty if Casey Builders /Developers London 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 Casey Builders /Developers London Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.