- Companies
- Plumbers and heating engineers
- Southampton
- Mekkmaster Boiler Repair Ltd
Mekkmaster Boiler Repair Ltd
- Company number
- 16871477
- Incorporated
- 24 Nov 2025
- Registered office
- 6 Ferrymans Quay, Netley Abbey, Southampton, SO31 5RA
- Nature of business
- Plumbing, heat and air-conditioning installation
Mekkmaster Boiler Repair Ltd is a newly incorporated private limited company registered in Southampton, company number 16871477, one of 246 plumbing and heating companies in Southampton. Its next accounts are due at Companies House on 24 August 2027, and its first CT600 is due at HMRC on 23 November 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.
Is this your company?
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Where Mekkmaster Boiler Repair Ltd is registered
The registered office is in Southampton (SO31), in the Eastleigh local authority area, South East. Show SO31 5RA on a map.
Other trade companies in SO31
- MNC Cleaning LtdCleaning companies
- Mars Eng. LtdMachinery repair and installation
- Amc Plumbing and Heating LtdPlumbers and heating engineers
- Pride & Bloom LtdLandscapers and gardeners
- Hampshire Heating and Cooling LtdPlumbers and heating engineers
- Kelpie Landscape & Build LtdFinishing trades
- FSC Facilities Services LtdInstallers
- Fitton & Redding Services LimitedMechanics and garages
What happens if Mekkmaster Boiler Repair 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 24 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Aug 2027 to 24 Sep 2027 | £150 |
| 1 to 3 months late | 25 Sep 2027 to 24 Nov 2027 | £375 |
| 3 to 6 months late | 25 Nov 2027 to 24 Feb 2028 | £750 |
| More than 6 months late | From 25 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16871477
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 November 2025
- Registered office
- 6 Ferrymans Quay, Netley Abbey, Southampton, SO31 5RA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
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 Southampton
Other active plumbing and heating companies registered in Southampton.
- MF Plumbing Solutions Ltd2025
- MH3 Plumbing and Heating (Southern) Limited2015
- Michael Todd Plumbing & Heating Ltd2006
- Mikes Plumbing & Heating Ltd2009
- Morrison Plumbing and Heating Ltd2023
- Morts Plumbing & Heating Limited2017
- MPH South Ltd2026
- MPK Plumbing & Gas Services Limited2016
All plumbing and heating companies in Southampton · All trades in Southampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mekkmaster Boiler Repair Ltd's accounts due?
Mekkmaster Boiler Repair Ltd's next accounts are due at Companies House by 24 August 2027 (in 315 days), covering the period to 30 November 2026.
When is Mekkmaster Boiler Repair 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 23 November 2026, due by 23 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mekkmaster Boiler Repair Ltd still trading?
Mekkmaster Boiler Repair 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 Mekkmaster Boiler Repair Ltd do?
Mekkmaster Boiler Repair Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mekkmaster Boiler Repair Ltd?
Mekkmaster Boiler Repair Ltd was incorporated on 24 November 2025, less than a year ago.
What is the penalty if Mekkmaster Boiler Repair 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 Mekkmaster Boiler Repair 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.