- Companies
- Plumbers and heating engineers
- Dorchester
- MJC Plumbing & Heating Services Ltd
MJC Plumbing & Heating Services Ltd
- Company number
- 09965567
- Incorporated
- 22 Jan 201610 years trading
- Registered office
- 2 Friars Close, Dorchester, Dorset, DT1 2AD
- Nature of business
- Plumbing, heat and air-conditioning installation
MJC Plumbing & Heating Services Ltd is a 10-year-old private limited company registered in Dorchester, company number 09965567, one of 46 plumbing and heating companies in Dorchester. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £4,104 (+57.2%) on the year before, to -£3,072.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £15K against £13K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£3,072 | £7,379 | £15K | £13K | 2 |
| 31 Jan 2024 | -£7,176 | £19K | £20K | £22K | 2 |
| 31 Jan 2023 | -£8,067 | £23K | £27K | £30K | 2 |
| 31 Jan 2022 | £2,246 | £62K | £65K | £58K | 2 |
| 31 Jan 2021 | £2,227 | £24K | £31K | £39K | 1 |
| 31 Jan 2020 | £6,299 | £7,885 | £10K | £16K | 1 |
| 31 Jan 2019 | £3,383 | £3,091 | £4,605 | £15K | 1 |
| 31 Jan 2018 | £2,439 | £4,500 | £18K | 1 | |
| 31 Jan 2017 | £112 | £822 | £20K |
Where MJC Plumbing & Heating Services Ltd is registered
The registered office is in Dorchester (DT1), in the Dorset local authority area, South West. Show DT1 2AD on a map.
Other trade companies in DT1
- Wareham MOT LimitedMechanics and garages
- Coastal Crest Dorset Cleaning Company LimitedCleaning companies
- Hybrid Superstructures LtdBuilders
- Solo Construction & Development LimitedBuilders
- Guardian Home Improvements LimitedFinishing trades
- Dorset Cars LtdMotor traders
- Rebecca Scaffolding LtdScaffolders
- Fox Roofing & Leadworks LtdRoofers
What happens if MJC Plumbing & Heating Services 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 09965567
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 January 2016 (10 years ago)
- Registered office
- 2 Friars Close, Dorchester, Dorset, DT1 2AD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 22 January 2026
- Previous names
- MJC Plumbing and Heating Services Ltd (until 22 Jan 2016)
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 Dorchester
Other active plumbing and heating companies registered in Dorchester.
- MJS Plumbing & Heating Limited2012
- Oil Heating Services Limited2010
- Okeford Heating Limited2003
- Olliffe Plumbing & Heating Ltd2017
- P S Moore Limited2010
- P.R. Elford Limited2008
- Peter Woodruff Limited2003
- Poolcirc Ltd2026
All plumbing and heating companies in Dorchester · All trades in Dorchester · Plumbers and heating engineers across the UK
Frequently asked questions
When are MJC Plumbing & Heating Services Ltd's accounts due?
MJC Plumbing & Heating Services Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is MJC Plumbing & Heating Services Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is MJC Plumbing & Heating Services Ltd still trading?
MJC Plumbing & Heating Services 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 MJC Plumbing & Heating Services Ltd do?
MJC Plumbing & Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is MJC Plumbing & Heating Services Ltd?
MJC Plumbing & Heating Services Ltd was incorporated on 22 January 2016, 10 years ago.
What is the penalty if MJC Plumbing & Heating Services 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 MJC Plumbing & Heating Services 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.