- Companies
- Property developers
- Crumlin
- Colinglen Construction Ltd
Colinglen Construction Ltd
- Company number
- NI636692
- Incorporated
- 25 Feb 201610 years trading
- Registered office
- 11 British Road, Aldergrove, Crumlin, BT29 4DJ
- Nature of business
- Development of building projects
Colinglen Construction Ltd is a 10-year-old private limited company registered in Crumlin, company number NI636692, one of 8 property development companies in Crumlin. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £204K (+48.2%) on the year before, to £626K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £1M against £514K owed within a year: 2.0 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £626K | £964K | £1M | £514K | 5 |
| 29 Feb 2024 | £423K | £580K | £609K | £256K | 5 |
| 28 Feb 2023 | £446K | £465K | £532K | £168K | 5 |
| 28 Feb 2022 | £458K | £504K | £107K | 6 | |
| 28 Feb 2021 | £477K | £572K | £146K | 6 | |
| 29 Feb 2020 | £429K | £533K | £632K | £212K | 6 |
| 28 Feb 2019 | £447K | £548K | £664K | £187K | |
| 28 Feb 2018 | £267K | £432K | £604K | £236K | |
| 28 Feb 2017 | £118K | £410K | £106K |
Who runs and owns Colinglen Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| D*** M*** | Director | Feb 2016 |
| P*** M*** | Director | Feb 2016 |
| T*** M*** | Director | Feb 2016 |
People with significant control (3)
Where Colinglen Construction Ltd is registered
The registered office is in Crumlin (BT29), in the Antrim and Newtownabbey local authority area, Northern Ireland. Show BT29 4DJ on a map.
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What happens if Colinglen Construction 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- NI636692
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 February 2016 (10 years ago)
- Registered office
- 11 British Road, Aldergrove, Crumlin, BT29 4DJ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 24 February 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 Crumlin
Other active property development companies registered in Crumlin.
- Cone Construction Limited2011
- Crosshill Associates Ltd2012
- Crumlin Building Services Limited2021
- Dasen Ltd.2012
- Ravara Developments Limited2007
- Ravara Properties Limited2002
- Taz Developments Limited2017
All property development companies in Crumlin · All trades in Crumlin · Property developers across the UK
Frequently asked questions
When are Colinglen Construction Ltd's accounts due?
Colinglen Construction Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Colinglen Construction Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Colinglen Construction Ltd still trading?
Colinglen Construction 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 Colinglen Construction Ltd do?
Colinglen Construction Ltd is registered under Development of building projects (SIC 41100).
How old is Colinglen Construction Ltd?
Colinglen Construction Ltd was incorporated on 25 February 2016, 10 years ago.
Who runs Colinglen Construction Ltd?
Colinglen Construction Ltd has 3 active directors, the longest-serving appointed in Feb 2016. Their names and service addresses are on the Companies House register.
Who owns Colinglen Construction Ltd?
3 people or companies have significant control of Colinglen Construction Ltd: an individual (owns 50% to 75% of the shares); an individual (has significant influence or control); an individual (has significant influence or control).
What is the penalty if Colinglen Construction 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 Colinglen Construction 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.