- Companies
- Plumbers and heating engineers
- Widnes
- LMJ Mechanical Group Ltd
LMJ Mechanical Group Ltd
- Company number
- 16766318
- Incorporated
- 6 Oct 20251 year trading
- Registered office
- 23 Farnworth Street, Widnes, WA8 9LH
- Nature of business
- Plumbing, heat and air-conditioning installation
LMJ Mechanical Group Ltd is a 1-year-old private limited company registered in Widnes, company number 16766318, one of 33 plumbing and heating companies in Widnes. Its next accounts are due at Companies House on 6 July 2027, and its first CT600 is due at HMRC on 5 October 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where LMJ Mechanical Group Ltd is registered
The registered office is in Widnes (WA8), in the Halton local authority area, North West. Show WA8 9LH on a map.
Other trade companies in WA8
- 18B Developments LimitedProperty developers
- Alpha Heating NW LtdPlumbers and heating engineers
- Mem Exterior Cleaning LimitedCleaning companies
- MZF Accessories LtdMachinery repair and installation
- Advanced Robotic Manufacturing Services LtdMachinery repair and installation
- Discovery Roofing Contractors LtdRoofers
- Spartan Property Developments LtdFinishing trades
- B Automation Services LtdMachinery repair and installation
Shared registered office
37 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if LMJ Mechanical Group 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 6 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Jul 2027 to 6 Aug 2027 | £150 |
| 1 to 3 months late | 7 Aug 2027 to 6 Oct 2027 | £375 |
| 3 to 6 months late | 7 Oct 2027 to 6 Jan 2028 | £750 |
| More than 6 months late | From 7 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16766318
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 October 2025 (1 year ago)
- Registered office
- 23 Farnworth Street, Widnes, WA8 9LH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 23 October 2025
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 Widnes
Other active plumbing and heating companies registered in Widnes.
- Omnis Services Ltd2022
- P.P.H. North West Limited2018
- PB Hall Bathrooms Ltd2025
- Pitfin Limited2014
- Qvadis Building Services Ltd2025
- R A Plumbing & Bathrooms Ltd2025
- Rob May Ltd2018
- SJC Plumbing and Heating NW Ltd2019
All plumbing and heating companies in Widnes · All trades in Widnes · Plumbers and heating engineers across the UK
Frequently asked questions
When are LMJ Mechanical Group Ltd's accounts due?
LMJ Mechanical Group Ltd's next accounts are due at Companies House by 6 July 2027 (in 266 days), covering the period to 31 October 2026.
When is LMJ Mechanical Group Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 5 October 2026, due by 5 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is LMJ Mechanical Group Ltd still trading?
LMJ Mechanical Group 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 LMJ Mechanical Group Ltd do?
LMJ Mechanical Group Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is LMJ Mechanical Group Ltd?
LMJ Mechanical Group Ltd was incorporated on 6 October 2025, 1 year ago.
What is the penalty if LMJ Mechanical Group 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 LMJ Mechanical Group 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.