- Companies
- Plumbers and heating engineers
- Magherafelt
- DMR Mechanical Ltd
DMR Mechanical Ltd
- Company number
- NI652931
- Incorporated
- 10 May 20188 years trading
- Registered office
- 115 Aughrim Road, Castledawson, Magherafelt, BT45 8HB
- Nature of business
- Plumbing, heat and air-conditioning installation
DMR Mechanical Ltd is a 8-year-old private limited company registered in Magherafelt, company number NI652931, one of 15 plumbing and heating companies in Magherafelt. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where DMR Mechanical Ltd is registered
The registered office is in Magherafelt (BT45), in the Mid Ulster local authority area, Northern Ireland. Show BT45 8HB on a map.
Other trade companies in BT45
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- Decorfinishni LtdPainters and decorators
- Tonagh Construction Services LtdSpecialist contractors
- Es Brickwork LtdSpecialist contractors
- CSS Ireland LtdSpecialist contractors
- 825 Contracts LtdBuilders
- Vind Services LtdMachinery repair and installation
- Braidwater (Strategic Land) LimitedProperty developers
What happens if DMR Mechanical 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- NI652931
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 May 2018 (8 years ago)
- Registered office
- 115 Aughrim Road, Castledawson, Magherafelt, BT45 8HB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 9 May 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Magherafelt
Other active plumbing and heating companies registered in Magherafelt.
- GS Plumbing & Heating (N.I.) Limited2016
- Ignite Plumbing Services (Ire) Ltd2021
- Industry Pipelines Ltd2019
- J & B Hamilton Limited2004
- Kieran Letters Plumbing & Heating Ltd2018
- Kmac Mechanical Ltd2016
- MCG Contracts Ltd2003
- Neg Plumbing and Heating Ltd2025
All plumbing and heating companies in Magherafelt · All trades in Magherafelt · Plumbers and heating engineers across the UK
Frequently asked questions
When are DMR Mechanical Ltd's accounts due?
DMR Mechanical Ltd's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is DMR Mechanical Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is DMR Mechanical Ltd still trading?
DMR Mechanical 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 DMR Mechanical Ltd do?
DMR Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DMR Mechanical Ltd?
DMR Mechanical Ltd was incorporated on 10 May 2018, 8 years ago.
What is the penalty if DMR Mechanical 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 DMR Mechanical 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.