- Companies
- Specialist contractors
- Dungannon
- Modcon Construction Ltd
Modcon Construction Ltd
- Company number
- NI674730
- Incorporated
- 4 Dec 20205 years trading
- Registered office
- 41 Castle Glen Avenue, Dungannon, County Tyrone, BT71 6YF
- Nature of business
- Other specialised construction activities n.e.c.
Modcon Construction Ltd is a 5-year-old private limited company registered in Dungannon, company number NI674730, one of 49 specialist construction companies in Dungannon. Companies House shows its accounts as overdue: they were due on 30 September 2025.
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 £2,707 (+31.7%) on the year before, to £11K.
- Current assets of £169K against £171K owed within a year: 1.0 times cover.
- 4 employees on average, up from 3 the year before.
- Balance sheets on record for 3 years, 2021 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2023 | £11K | £169K | £171K | 4 | |
| 31 Dec 2022 | £8,534 | £198K | £207K | 3 | |
| 31 Dec 2021 | £1 |
Where Modcon Construction Ltd is registered
The registered office is in Dungannon (BT71), in the Mid Ulster local authority area, Northern Ireland. Show BT71 6YF on a map.
Other trade companies in BT71
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- Coleman Surfacing LtdCivil engineering
- GLS Contracts LtdBuilders
- JP Cleaning Specialists LtdRoofers
- Roadline Automotive LtdMotor traders
- Glasstech Windscreens Irl LtdMechanics and garages
- CT Vehicle Services LtdMechanics and garages
- House of Automotive LtdMotor traders
What happens if Modcon Construction Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2025 to 31 Oct 2025 | £150 |
| 1 to 3 months late | 1 Nov 2025 to 31 Dec 2025 | £375 |
| 3 to 6 months late | 1 Jan 2026 to 31 Mar 2026 | £750 |
| More than 6 months late | From 1 Apr 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2026 | £200 |
| 3 months late | 31 Mar 2026 | another £200 |
| 6 months late | 30 Jun 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2026 | 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
- NI674730
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 December 2020 (5 years ago)
- Registered office
- 41 Castle Glen Avenue, Dungannon, County Tyrone, BT71 6YF
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2023
- Last confirmation statement
- 26 January 2026
- Previous names
- Modcon Ireland Ltd (until 26 Aug 2025)
Reno Construction Group Ltd (until 5 Aug 2021)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Dungannon
Other active specialist construction companies registered in Dungannon.
- Moore and Faloon Ltd2023
- Moy Safety Solutions Ltd2019
- Moyola Sealant Services Ltd2024
- Mullcon Ltd2025
- Nda Revive Limited2017
- Nwi Contracts Limited2005
- Omj Utility Infrastructure Services Ltd2019
- PMB Contracts Ltd2021
All specialist construction companies in Dungannon · All trades in Dungannon · Specialist contractors across the UK
Frequently asked questions
When are Modcon Construction Ltd's accounts due?
Modcon Construction Ltd's accounts were due at Companies House on 30 September 2025 and the register shows them as overdue.
When is Modcon Construction Ltd's CT600 due?
The CT600 for the period to 31 December 2024 is due at HMRC by 31 December 2025, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2025.
Is Modcon Construction Ltd still trading?
Modcon Construction Ltd is listed as active on the Companies House register (checked 12 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 Modcon Construction Ltd do?
Modcon Construction Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Modcon Construction Ltd?
Modcon Construction Ltd was incorporated on 4 December 2020, 5 years ago.
What is the penalty if Modcon 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 Modcon Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.