Company profile · Plumbers and heating engineers
MR Warm Ltd
MR Warm Ltd is a 1-year-old private limited company registered in Birmingham, company number 16293872, one of 475 plumbing and heating companies in Birmingham. Its next accounts are due at Companies House on 5 December 2026, and its first CT600 is due at HMRC on 4 March 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 MR Warm Ltd is registered
The registered office is in Birmingham (B18), in the Birmingham local authority area, West Midlands. Show B18 5DN on a map.
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What happens if MR Warm 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 5 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Dec 2026 to 5 Jan 2027 | £150 |
| 1 to 3 months late | 6 Jan 2027 to 5 Mar 2027 | £375 |
| 3 to 6 months late | 6 Mar 2027 to 5 Jun 2027 | £750 |
| More than 6 months late | From 6 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16293872
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 March 2025 (1 year ago)
- Registered office
- 29 Devonshire Avenue, Birmingham, B18 5DN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 4 March 2026
- Previous names
- Pro Warm Home Ltd (until 20 Mar 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 Birmingham
Other active plumbing and heating companies registered in Birmingham.
- MR Wenlock’S Heating Ltd2026
- Mrgasmac Ltd2021
- MSC Heating Limited2014
- MSD Plumbing and Heating Limited2023
- MSR Heating Solutions Ltd2021
- MT Copper Works Ltd2019
- MWW Plumbing Ltd2026
- Myeo Maintenance Ltd2017
All plumbing and heating companies in Birmingham · All trades in Birmingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are MR Warm Ltd's accounts due?
MR Warm Ltd's next accounts are due at Companies House by 5 December 2026 (in 54 days), covering the period to 31 March 2026.
When is MR Warm 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 4 March 2026, due by 4 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is MR Warm Ltd still trading?
MR Warm 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 MR Warm Ltd do?
MR Warm Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is MR Warm Ltd?
MR Warm Ltd was incorporated on 5 March 2025, 1 year ago.
What is the penalty if MR Warm 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 MR Warm 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.