- Companies
- Property developers
- Coleraine
- Tiercon Construction Limited
Tiercon Construction Limited
- Company number
- NI620793
- Incorporated
- 7 Oct 201313 years trading
- Registered office
- 34 Liscall Road, Garvagh, Coleraine, County Londonderry, BT51 5EP
- Nature of business
- Development of building projects
Tiercon Construction Limited is a 13-year-old private limited company registered in Coleraine, company number NI620793, one of 42 property development companies in Coleraine. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 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 £5,881 (-21.5%) on the year before, to £21K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £169K against £129K owed within a year: 1.3 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 7 years, 2014 to 2020.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2020 | £21K | £45K | £169K | £129K | 2 |
| 31 Oct 2019 | £27K | £66K | £145K | £131K | 1 |
| 31 Oct 2018 | £25K | £36K | £96K | £77K | 1 |
| 31 Oct 2017 | £14K | £25K | £86K | £84K | |
| 31 Oct 2016 | -£2,632 | £14K | £39K | £44K | |
| 31 Oct 2015 | -£500 | £14K | £19K | £22K | |
| 31 Oct 2014 | -£579 | £12K | £15K | £15K |
Where Tiercon Construction Limited is registered
The registered office is in Coleraine (BT51), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT51 5EP on a map.
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- Arbour Living (NI) LimitedSpecialist contractors
- P Talbot Construction LtdBuilders
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What happens if Tiercon Construction 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- NI620793
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 October 2013 (13 years ago)
- Registered office
- 34 Liscall Road, Garvagh, Coleraine, County Londonderry, BT51 5EP
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 7 October 2025
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 Coleraine
Other active property development companies registered in Coleraine.
- Watters Neely Properties Ltd2021
- Albert Harper Homes Ltd2023
- Atlantic Coast Ltd2025
- Augustus Property Management Limited2013
- BMN Developments Ltd2021
- Boghill Dam Limited2015
- Brian Mullan Construction Ltd2006
- Brockaghboy Developments Ltd2021
All property development companies in Coleraine · All trades in Coleraine · Property developers across the UK
Frequently asked questions
When are Tiercon Construction Limited's accounts due?
Tiercon Construction Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Tiercon Construction 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 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Tiercon Construction Limited still trading?
Tiercon Construction 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 Tiercon Construction Limited do?
Tiercon Construction Limited is registered under Development of building projects (SIC 41100).
How old is Tiercon Construction Limited?
Tiercon Construction Limited was incorporated on 7 October 2013, 13 years ago.
What is the penalty if Tiercon Construction 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 Tiercon Construction 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.