- Company number
- NI643822
- Incorporated
- 10 Feb 20179 years trading
- Registered office
- 67 Newtown Road, Killean, Newry, Co. Down, BT35 8RJ
- Nature of business
- Construction of domestic buildings
Declan Mullen Contracts Ltd is a 9-year-old private limited company registered in Newry, company number NI643822, one of 309 building contractors in Newry. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £22K (+5.3%) on the year before, to £435K.
- Net assets rose in 8 of 8 year-on-year comparisons on record.
- Current assets of £485K against £140K owed within a year: 3.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £435K | £485K | £140K | 2 | |
| 28 Feb 2025 | £413K | £551K | £239K | 2 | |
| 29 Feb 2024 | £377K | £447K | £174K | 2 | |
| 28 Feb 2023 | £281K | £370K | £126K | 2 | |
| 28 Feb 2022 | £164K | £344K | £156K | 2 | |
| 28 Feb 2021 | £126K | £293K | £136K | 2 | |
| 29 Feb 2020 | £83K | £125K | £53K | 2 | |
| 28 Feb 2019 | £79K | £89K | £24K | ||
| 28 Feb 2018 | £7,329 | £34K | £40K |
Where Declan Mullen Contracts Ltd is registered
The registered office is in Newry (BT35), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT35 8RJ on a map.
Other trade companies in BT35
- Kilkenny Commercials LimitedMotor traders
- XR Electrical LtdElectricians
- Roseglen Consulting LtdElectricians
- Maglen Mechanical LtdPlumbers and heating engineers
- Toman Roofing LtdJoiners and carpenters
- CBD Brickworks LtdBuilders
- Evvr Homes LtdCleaning companies
- CM Performance Parts LtdMotor traders
What happens if Declan Mullen Contracts 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- NI643822
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 2017 (9 years ago)
- Registered office
- 67 Newtown Road, Killean, Newry, Co. Down, BT35 8RJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 21 September 2026
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 Newry
Other active building contractors registered in Newry.
- Demac Construction Ltd2016
- Derek McDowell & Sons Ltd2007
- DJR Bricklaying Ltd2024
- DJSD Construction Ltd2025
- DMC Building & Construction Ltd2018
- Doherty Build Ltd2015
- Dowdall Contracts Ltd2011
- Dowdall Developments Limited2004
All building contractors in Newry · All trades in Newry · Builders across the UK
Frequently asked questions
When are Declan Mullen Contracts Ltd's accounts due?
Declan Mullen Contracts Ltd's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is Declan Mullen Contracts Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Declan Mullen Contracts Ltd still trading?
Declan Mullen Contracts 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 Declan Mullen Contracts Ltd do?
Declan Mullen Contracts Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Declan Mullen Contracts Ltd?
Declan Mullen Contracts Ltd was incorporated on 10 February 2017, 9 years ago.
What is the penalty if Declan Mullen Contracts 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 Declan Mullen Contracts 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.