- Companies
- Property developers
- London
- Castle Grove Developments Ltd
Castle Grove Developments Ltd
- Company number
- 17365355
- Incorporated
- 28 Jul 2026
- Registered office
- 128 Buckingham Palace Road, London, SW1W 9SA
- Nature of business
- Development of building projects
Castle Grove Developments Ltd is a newly incorporated private limited company registered in London, company number 17365355, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 28 April 2028, and its first CT600 is due at HMRC on 27 July 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 Castle Grove Developments Ltd is registered
The registered office is in London (SW1W), in the Westminster local authority area, London. Show SW1W 9SA on a map.
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Also registered at this address
1 other company uses the same registered office as Castle Grove Developments Ltd.
- Albert Street Properties LtdProperty developers
What happens if Castle Grove Developments 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 28 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Apr 2028 to 28 May 2028 | £150 |
| 1 to 3 months late | 29 May 2028 to 28 Jul 2028 | £375 |
| 3 to 6 months late | 29 Jul 2028 to 28 Oct 2028 | £750 |
| More than 6 months late | From 29 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17365355
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2026
- Registered office
- 128 Buckingham Palace Road, London, SW1W 9SA
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 September (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.
- Castle View Colchester Ltd2021
- Castlecrest Homes Ltd2025
- Castlefield (No 1) Limited2023
- Castlegate 772 Limited2018
- Castlegate Building and Maintenance Ltd2025
- Castlehaven Property Investments Limited1962
- Castlelink Properties Limited1996
- Castlemane Limited2021
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Castle Grove Developments Ltd's accounts due?
Castle Grove Developments Ltd's next accounts are due at Companies House by 28 April 2028 (in 564 days), covering the period to 30 September 2027.
When is Castle Grove Developments 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 27 July 2027, due by 27 July 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Castle Grove Developments Ltd still trading?
Castle Grove Developments 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 Castle Grove Developments Ltd do?
Castle Grove Developments Ltd is registered under Development of building projects (SIC 41100).
How old is Castle Grove Developments Ltd?
Castle Grove Developments Ltd was incorporated on 28 July 2026, less than a year ago.
What is the penalty if Castle Grove Developments 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 Castle Grove Developments 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.