- Company number
- NI627041
- Incorporated
- 6 Oct 201412 years trading
- Registered office
- 35 Enterprise House, Enterprise Crescent, Lisburn, BT28 2BP
- Nature of business
- Construction of domestic buildings
Cornerstone (NI) Ltd is a 12-year-old private limited company registered in Lisburn, company number NI627041, one of 51 building contractors in Lisburn. Its next accounts are due at Companies House on 5 January 2027, and the CT600 for the period to 5 April 2026 is due at HMRC on 5 April 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 up £31K (+100%) on the year before, to £0.
- Net assets rose in 4 of 9 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 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 5 Apr 2025 | £0 | £0 | £0 | 0 | |
| 5 Apr 2024 | -£31K | £0 | £31K | 0 | |
| 5 Apr 2023 | £31K | £100 | £31K | 0 | |
| 31 Oct 2021 | £30K | £100 | £30K | 0 | |
| 31 Oct 2020 | -£4,338 | £45K | £47K | 0 | |
| 31 Oct 2019 | -£2,939 | £45K | £47K | 0 | |
| 31 Oct 2018 | £1,863 | £154K | £48K | ||
| 31 Oct 2017 | £2,695 | £48K | £51K | ||
| 31 Oct 2016 | £100 | £100 | |||
| 31 Oct 2015 | £100 | £100 |
Where Cornerstone (NI) Ltd is registered
The registered office is in Lisburn (BT28), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT28 2BP on a map.
Other trade companies in BT28
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- Ultralift Facilities Management LtdFacilities management
- Ultimate Tinting Lisburn LtdMotor traders
- A H Assist Cars LtdMotor traders
- Northpeak Developments LtdProperty developers
- Built by D Design and Build LtdProperty developers
- Lagan to Liffey Electrical Contractors LtdElectricians
- Ez Trade Solutions LtdJoiners and carpenters
What happens if Cornerstone (NI) 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 5 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2027 to 5 Feb 2027 | £150 |
| 1 to 3 months late | 6 Feb 2027 to 5 Apr 2027 | £375 |
| 3 to 6 months late | 6 Apr 2027 to 5 Jul 2027 | £750 |
| More than 6 months late | From 6 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2027 | £200 |
| 3 months late | 5 Jul 2027 | another £200 |
| 6 months late | 5 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 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
- NI627041
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 October 2014 (12 years ago)
- Registered office
- 35 Enterprise House, Enterprise Crescent, Lisburn, BT28 2BP
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 5 April 2025
- Last confirmation statement
- 6 October 2025
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 in Lisburn
Other active building contractors registered in Lisburn.
- Coulter Homes Limited1983
- Curve Training and Consultancy Limited2020
- Dreambuildni Ltd2026
- G & K Smiley Ltd2015
- GKM Developments Ltd2015
- GMF Buildright Ltd2021
- Green City Contracts Limited2013
- Greer Construction Ltd2022
All building contractors in Lisburn · All trades in Lisburn · Builders across the UK
Frequently asked questions
When are Cornerstone (NI) Ltd's accounts due?
Cornerstone (NI) Ltd's next accounts are due at Companies House by 5 January 2027 (in 84 days), covering the period to 5 April 2026.
When is Cornerstone (NI) Ltd's CT600 due?
The CT600 for the period to 5 April 2026 is due at HMRC by 5 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2027.
Is Cornerstone (NI) Ltd still trading?
Cornerstone (NI) 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 Cornerstone (NI) Ltd do?
Cornerstone (NI) Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Cornerstone (NI) Ltd?
Cornerstone (NI) Ltd was incorporated on 6 October 2014, 12 years ago.
What is the penalty if Cornerstone (NI) 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 Cornerstone (NI) 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.