- Companies
- Specialist contractors
- Strabane
- Conn Tinney Groundworks Limited
Conn Tinney Groundworks Limited
- Company number
- NI657570
- Incorporated
- 4 Dec 20187 years trading
- Registered office
- 97 Curlyhill Road, Curlyhill Road, Strabane, BT82 8LS
- Nature of business
- Other specialised construction activities n.e.c.
Conn Tinney Groundworks Limited is a 7-year-old private limited company registered in Strabane, company number NI657570, one of 27 specialist construction companies in Strabane. Companies House shows its accounts as overdue: they were due on 30 September 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 unchanged on the year before, at £100.
- Net assets rose in 0 of 4 year-on-year comparisons on record.
- Balance sheets on record for 5 years, 2019 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2023 | £100 | £100 | |||
| 31 Dec 2022 | £100 | £100 | |||
| 31 Dec 2021 | £100 | £100 | |||
| 31 Dec 2020 | £100 | £100 | |||
| 31 Dec 2019 | £100 | £100 |
Where Conn Tinney Groundworks Limited is registered
The registered office is in Strabane (BT82), in the Derry City and Strabane local authority area, Northern Ireland. Show BT82 8LS on a map.
Other trade companies in BT82
- Mod Motors LtdMotor traders
- Rsi VS LtdFinishing trades
- Rsi SD LtdFinishing trades
- Be Clear Installations LtdGlaziers
- Ae Digital Engineering Services LtdCivil engineering
- Clady Refurb LtdProperty developers
- Devlin Contracts LtdProperty developers
- Clean and Carwash LtdCleaning companies
What happens if Conn Tinney Groundworks Limited files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 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 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- NI657570
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 December 2018 (7 years ago)
- Registered office
- 97 Curlyhill Road, Curlyhill Road, Strabane, BT82 8LS
- 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 2024
- Last confirmation statement
- 3 December 2025
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 Strabane
Other active specialist construction companies registered in Strabane.
- DJH Construction Consultants Ltd2024
- Glen Freeborn Services Ltd2013
- Gmac Contracts Ltd2022
- Jfe Contracts Ltd2026
- Lisagallon Cabling Contractors Ltd2016
- M McFadden Contracts Ltd2022
- M-Tech Solutions Ireland Ltd2013
- M.J. MC Kinney Crane Hire Ltd1995
All specialist construction companies in Strabane · All trades in Strabane · Specialist contractors across the UK
Frequently asked questions
When are Conn Tinney Groundworks Limited's accounts due?
Conn Tinney Groundworks Limited's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Conn Tinney Groundworks Limited's CT600 due?
The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is Conn Tinney Groundworks Limited still trading?
Conn Tinney Groundworks Limited 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 Conn Tinney Groundworks Limited do?
Conn Tinney Groundworks Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Conn Tinney Groundworks Limited?
Conn Tinney Groundworks Limited was incorporated on 4 December 2018, 7 years ago.
What is the penalty if Conn Tinney Groundworks 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 Conn Tinney Groundworks Limited 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.