- Company number
- NI673466
- Incorporated
- 16 Oct 20205 years trading
- Registered office
- 1 Lissan Road, Cookstown, BT80 8EN
- Nature of business
- Construction of commercial buildings
Rossmore Construction Ltd is a 5-year-old private limited company registered in Cookstown, company number NI673466, one of 40 building contractors in Cookstown. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £14K (+11.2%) on the year before, to £144K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £113K against £13K owed within a year: 8.7 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £144K | £15K | £113K | £13K | 3 |
| 30 Sep 2024 | £130K | £25K | £128K | £34K | 3 |
| 30 Sep 2023 | £113K | £14K | £115K | £28K | 3 |
| 30 Sep 2022 | £29K | £32K | £45K | £94K | 3 |
| 30 Sep 2021 | £16K | £255K | £269K | £366K | 3 |
Who runs and owns Rossmore Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| D*** L*** | Director | Oct 2020 |
| M*** L*** | Director | Oct 2020 |
People with significant control (2)
Where Rossmore Construction Ltd is registered
The registered office is in Cookstown (BT80), in the Mid Ulster local authority area, Northern Ireland. Show BT80 8EN on a map.
Other trade companies in BT80
- GMB Plant & Machine Repairs LtdMachinery repair and installation
- Il Contracts LimitedCivil engineering
- Neeson Environmental LtdGroundworks and demolition
- Molloys Tyres LimitedMotor traders
- Girvan Utility Services LtdCivil engineering
- C Rafferty Construction LtdCivil engineering
- Keldev LtdProperty developers
- MD Construction and Building LtdBuilders
What happens if Rossmore 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- NI673466
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 October 2020 (5 years ago)
- Registered office
- 1 Lissan Road, Cookstown, BT80 8EN
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 15 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 Cookstown
Other active building contractors registered in Cookstown.
- S & A Monaghan Builders Limited2001
- Shanco Properties Limited1996
- Shetland Properties Limited2004
- Tempus Investments Limited2006
- TNG Contracts Ltd2025
- Tullycoose Ltd2010
- Turkington Construction Ltd2000
- Westland Developments (NI) Limited2003
All building contractors in Cookstown · All trades in Cookstown · Builders across the UK
Frequently asked questions
When are Rossmore Construction Ltd's accounts due?
Rossmore Construction Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Rossmore Construction Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Rossmore Construction Ltd still trading?
Rossmore 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 Rossmore Construction Ltd do?
Rossmore Construction Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Rossmore Construction Ltd?
Rossmore Construction Ltd was incorporated on 16 October 2020, 5 years ago.
Who runs Rossmore Construction Ltd?
Rossmore Construction Ltd has 2 active directors, the longest-serving appointed in Oct 2020. Their names and service addresses are on the Companies House register.
Who owns Rossmore Construction Ltd?
2 people or companies have significant control of Rossmore Construction Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Rossmore 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 Rossmore 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.