- Companies
- Property developers
- Belfast
- Castlebloom Limited
Castlebloom Limited
- Company number
- NI651941
- Incorporated
- 26 Mar 20188 years trading
- Registered office
- 2ND Floor (Killultagh), the Linenhall, 32 - 38 Linenhall Street, Belfast, BT2 8BG
- Nature of business
- Development of building projects; Buying and selling of own real estate
Castlebloom Limited is a 8-year-old private limited company registered in Belfast, company number NI651941, one of 402 property development companies in Belfast. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets unchanged on the year before, at £4.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £4 | £354 | 0 | ||
| 31 Mar 2024 | £4 | £354 | 0 | ||
| 31 Mar 2023 | £4 | £354 | 0 | ||
| 31 Mar 2022 | -£8,974 | £8,974 | 0 | ||
| 31 Mar 2021 | -£67K | £76K | 0 | ||
| 31 Mar 2020 | £340K | £59K | 0 | ||
| 31 Mar 2019 | £122K | £84K |
Where Castlebloom Limited is registered
The registered office is in Belfast (BT2), in the Belfast local authority area, Northern Ireland. Show BT2 8BG on a map.
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What happens if Castlebloom 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI651941
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 March 2018 (8 years ago)
- Registered office
- 2ND Floor (Killultagh), the Linenhall, 32 - 38 Linenhall Street, Belfast, BT2 8BG
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 1 April 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.
- Castlehill Developments Ltd2025
- Castlelea Properties Ltd2003
- Castlenahinch Limited2018
- Castlereagh Homes Limited2018
- Castlereagh Ltd2020
- Castleroe Developments Limited2025
- Cathedral Contracts Ltd2020
- Catherine Street Properties Limited2015
All property development companies in Belfast · All trades in Belfast · Property developers across the UK
Frequently asked questions
When are Castlebloom Limited's accounts due?
Castlebloom Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Castlebloom Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Castlebloom Limited still trading?
Castlebloom 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 Castlebloom Limited do?
Castlebloom Limited is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100).
How old is Castlebloom Limited?
Castlebloom Limited was incorporated on 26 March 2018, 8 years ago.
What is the penalty if Castlebloom 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 Castlebloom Limited 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.