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- Coolhaven Developments Ltd
Company profile · Finishing trades
Coolhaven Developments Ltd
Coolhaven Developments Ltd is a 49-year-old private limited company registered in Belfast, company number NI011606, one of 55 building finishing companies in Belfast. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Coolhaven Developments Ltd over the years
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 up £58K (+1.6%) on the year before, to £3.7M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £3.3M against £117K owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £3.7M | £3.3M | £117K | 2 | |
| 31 Dec 2024 | £3.6M | £3.3M | £244K | 2 | |
| 31 Dec 2023 | £3.5M | £3M | £152K | 2 | |
| 31 Dec 2022 | £3.4M | £2.9M | £171K | 2 | |
| 31 Dec 2021 | £3.3M | £2.8M | £185K | 2 | |
| 31 Dec 2020 | £3.1M | £2.8M | £229K | 2 | |
| 31 Dec 2019 | £3M | £2.7M | £234K | 2 | |
| 31 Dec 2018 | £3M | £2.6M | £230K | 2 | |
| 31 Dec 2017 | £2.9M | £2.8M | £348K | 2 | |
| 31 Dec 2016 | £4.5M | £940K | £2.5M | £310K | 2 |
Where Coolhaven Developments Ltd is registered
The registered office is in Belfast (BT1), in the Belfast local authority area, Northern Ireland. Show BT1 2LB on a map.
Other trade companies in BT1
- Atlas Property and Holdings LtdProperty developers
- Geohac LimitedGroundworks and demolition
- XM Vehicle Solutions LimitedMotor traders
- Shine Renewables NI LimitedElectricians
- The Rathstone Group LtdCleaning companies
- Chenyukeji LtdMotor traders
- Linnexttech Shop LtdMotor traders
- Techright Environmental Ireland LtdCleaning companies
Also registered at this address
17 other companies use the same registered office as Coolhaven Developments Ltd.
- Atommm LtdSpecialist contractors
- Ballynure Developments LimitedProperty developers
- Beechview Developments LimitedBuilders
- Best Maintenance Services LtdProperty developers
- Clarke Housing Group LtdPlasterers
- D McKay Construction LimitedBuilders
- Dun Contracts LtdBuilders
- Glenview Contracts N. Ireland LimitedBuilders
- JMC Property Developments LimitedProperty developers
- Lilley Workspace Solutions LtdFloor and wall tilers
- N & A Construction LtdBuilders
- Nuport Construction LimitedBuilders
- Nuport Developments LtdBuilders
- Nuport Homes LtdBuilders
- Nuport L & R LtdBuilders
- Orrson Homes LtdBuilders
- Scottsboro LimitedBuilders
What happens if Coolhaven 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- NI011606
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 November 1976 (49 years ago)
- Registered office
- c/o C.D. Diamond & Co, 46 Hill Street, Belfast, BT1 2LB
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 26 November 2025
- Charges (mortgages)
- 3 outstanding of 5 registered
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Belfast
Other active building finishing companies registered in Belfast.
- Cornicle Mouldings Limited2025
- Damp and Timber Specialists NI Ltd2022
- Drytech Restoration Ltd2026
- Farrell Construction N.I. Ltd2025
- G & E Contracts (2020) Ltd2020
- Garren FM Ltd2024
- Gem Interior Contracts Ltd2016
- JMS Joinery and Building Works Ltd2011
All building finishing companies in Belfast · All trades in Belfast · Finishing trades across the UK
Frequently asked questions
When are Coolhaven Developments Ltd's accounts due?
Coolhaven Developments Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Coolhaven Developments Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Coolhaven Developments Ltd still trading?
Coolhaven 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 Coolhaven Developments Ltd do?
Coolhaven Developments Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Coolhaven Developments Ltd?
Coolhaven Developments Ltd was incorporated on 9 November 1976, 49 years ago.
What is the penalty if Coolhaven 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 Coolhaven 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.