- Companies
- Property developers
- Belfast
- Castlehill Developments Ltd
Castlehill Developments Ltd
- Company number
- NI732361
- Incorporated
- 14 Aug 20251 year trading
- Registered office
- 86A Beechill Road, Belfast, County Antrim, BT8 7QN
- Nature of business
- Development of building projects; Other letting and operating of own or leased real estate
Castlehill Developments Ltd is a 1-year-old private limited company registered in Belfast, company number NI732361, one of 402 property development companies in Belfast. Its next accounts are due at Companies House on 14 May 2027, and its first CT600 is due at HMRC on 13 August 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 Castlehill Developments Ltd is registered
The registered office is in Belfast (BT8), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT8 7QN on a map.
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What happens if Castlehill 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 14 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 May 2027 to 14 Jun 2027 | £150 |
| 1 to 3 months late | 15 Jun 2027 to 14 Aug 2027 | £375 |
| 3 to 6 months late | 15 Aug 2027 to 14 Nov 2027 | £750 |
| More than 6 months late | From 15 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- NI732361
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2025 (1 year ago)
- Registered office
- 86A Beechill Road, Belfast, County Antrim, BT8 7QN
- Nature of business
- Development of building projects (SIC 41100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 13 August 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.
- Castlelea Properties Ltd2003
- Castlenahinch Limited2018
- Castlereagh Homes Limited2018
- Castlereagh Ltd2020
- Castleroe Developments Limited2025
- Cathedral Contracts Ltd2020
- Catherine Street Properties Limited2015
- Causeway Coast Developments Limited2017
All property development companies in Belfast · All trades in Belfast · Property developers across the UK
Frequently asked questions
When are Castlehill Developments Ltd's accounts due?
Castlehill Developments Ltd's next accounts are due at Companies House by 14 May 2027 (in 214 days), covering the period to 31 August 2026.
When is Castlehill 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 13 August 2026, due by 13 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Castlehill Developments Ltd still trading?
Castlehill 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 Castlehill Developments Ltd do?
Castlehill Developments Ltd is registered under Development of building projects (SIC 41100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Castlehill Developments Ltd?
Castlehill Developments Ltd was incorporated on 14 August 2025, 1 year ago.
What is the penalty if Castlehill 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 Castlehill 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.