Blackhill Enterprises Limited
- Company number
- NI026498
- Incorporated
- 2 Apr 199234 years trading
- Registered office
- 2 Prospect Road, Portstewart, Co. Londonderry, BT55 7NF
- Nature of business
- Construction of domestic buildings; Other letting and operating of own or leased real estate
Blackhill Enterprises Limited is a 34-year-old private limited company registered in Portstewart, company number NI026498, one of the UK's building contractors. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 down £9,293 (-5.1%) on the year before, to £174K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £841K against £992K owed within a year: 0.8 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £174K | £0 | £841K | £992K | 2 |
| 31 Dec 2024 | £183K | £21K | £861K | £1M | 2 |
| 31 Dec 2023 | £172K | £998K | £7,267 | 2 | |
| 31 Dec 2022 | £139K | £8,983 | £1.3M | £1.1M | 2 |
| 31 Dec 2021 | £142K | £22K | £1.3M | £1.2M | 2 |
| 30 Jun 2021 | £149K | £2,609 | £1.3M | £1.1M | 2 |
| 30 Jun 2020 | -£134K | £28K | £1.6M | £1.7M | 2 |
| 30 Jun 2019 | -£240K | £75K | £2.5M | £2.7M | 1 |
| 30 Jun 2018 | -£166K | £395K | £1.1M | £1.3M | 1 |
| 30 Jun 2017 | -£272K | £121K | £981K | £1.3M | 1 |
Where Blackhill Enterprises Limited is registered
The registered office is in Portstewart (BT55), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT55 7NF on a map.
Other trade companies in BT55
- Silver Fern Tree LimitedElectricians
- Blondin LimitedBuilders
- McClure Plumbing LtdPlumbers and heating engineers
- BDP Property Investments LtdProperty developers
- Collision Autobody Repairs LimitedMechanics and garages
- Anem LtdProperty developers
- No13 Construction LtdProperty developers
- Homeglow Plumbing and Heating LimitedPlumbers and heating engineers
What happens if Blackhill Enterprises 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
- NI026498
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 April 1992 (34 years ago)
- Registered office
- 2 Prospect Road, Portstewart, Co. Londonderry, BT55 7NF
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 22 February 2026
- Charges (mortgages)
- 3 outstanding of 10 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies
Other active building contractors.
Frequently asked questions
When are Blackhill Enterprises Limited's accounts due?
Blackhill Enterprises Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Blackhill Enterprises 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Blackhill Enterprises Limited still trading?
Blackhill Enterprises 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 Blackhill Enterprises Limited do?
Blackhill Enterprises Limited is registered under Construction of domestic buildings (SIC 41202); Other letting and operating of own or leased real estate (SIC 68209).
How old is Blackhill Enterprises Limited?
Blackhill Enterprises Limited was incorporated on 2 April 1992, 34 years ago.
What is the penalty if Blackhill Enterprises 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 Blackhill Enterprises 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.