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- Castleroe Developments Limited
Company profile · Property developers
Castleroe Developments Limited
Castleroe Developments Limited is a 1-year-old private limited company registered in Belfast, company number NI730446, one of 402 property development companies in Belfast. Its next accounts are due at Companies House on 13 March 2027, and its first CT600 is due at HMRC on 12 June 2027.
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 Castleroe Developments Limited is registered
The registered office is in Belfast (BT5), in the Belfast local authority area, Northern Ireland. Show BT5 5GH on a map.
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What happens if Castleroe Developments Limited 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 13 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Mar 2027 to 13 Apr 2027 | £150 |
| 1 to 3 months late | 14 Apr 2027 to 13 Jun 2027 | £375 |
| 3 to 6 months late | 14 Jun 2027 to 13 Sep 2027 | £750 |
| More than 6 months late | From 14 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- NI730446
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 June 2025 (1 year ago)
- Registered office
- The Grove Mill, Grove Street East, Belfast, BT5 5GH
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 12 June 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 Belfast
Other active property development companies registered in Belfast.
- Cathedral Contracts Ltd2020
- Catherine Street Properties Limited2015
- Causeway Coast Developments Limited2017
- CH11 Limited2019
- Cherryvalley Gardens Developments One Ltd2020
- Circular Developments One Ltd2018
- Cleaver Avenue Limited2021
- Clonrose Developments (Newry) Limited2014
All property development companies in Belfast · All trades in Belfast · Property developers across the UK
Frequently asked questions
When are Castleroe Developments Limited's accounts due?
Castleroe Developments Limited's next accounts are due at Companies House by 13 March 2027 (in 152 days), covering the period to 30 June 2026.
When is Castleroe Developments Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 12 June 2026, due by 12 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Castleroe Developments Limited still trading?
Castleroe Developments Limited 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 Castleroe Developments Limited do?
Castleroe Developments Limited is registered under Development of building projects (SIC 41100).
How old is Castleroe Developments Limited?
Castleroe Developments Limited was incorporated on 13 June 2025, 1 year ago.
What is the penalty if Castleroe Developments Limited 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 Castleroe Developments Limited on Companies House for filed documents, officers and the full history.
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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.