- Companies
- Plumbers and heating engineers
- Mexborough
- Warmnest Heating Limited
Warmnest Heating Limited
- Company number
- 16077763
- Incorporated
- 13 Nov 20241 year trading
- Registered office
- 39,43 Bridge Street, Swinton, Mexborough, S64 8AP
- Nature of business
- Plumbing, heat and air-conditioning installation
Warmnest Heating Limited is a 1-year-old private limited company registered in Mexborough, company number 16077763, one of 23 plumbing and heating companies in Mexborough. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Warmnest Heating Limited is registered
The registered office is in Mexborough (S64), in the Rotherham local authority area, Yorkshire and The Humber. Show S64 8AP on a map.
Other trade companies in S64
- SB’S Home Improvements LtdRepair services
- S J Croome Construction LtdInstallers
- Sourc LtdElectricians
- Arc Building & Interiors LtdInstallers
- 3P Project Solutions LimitedSpecialist contractors
- A&H Tyres LtdMotor traders
- Northdale Construction LtdBuilders
- A.J.W Plumbing & Heating Northern LtdPlumbers and heating engineers
Shared registered office
89 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 Warmnest Heating Limited 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16077763
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 November 2024 (1 year ago)
- Registered office
- 39,43 Bridge Street, Swinton, Mexborough, S64 8AP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 21 September 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 Mexborough
Other active plumbing and heating companies registered in Mexborough.
- Wileman Plumbing & Heating Ltd2019
- William Duce Limited2003
- Wink's PHG Ltd2024
- A.J.W Plumbing & Heating Northern Ltd2026
- Chesman Underfloor Heating Ltd2022
- Craig Hickin Plumbing & Heating Ltd2012
- Ellershaw Plumbing and Heating Ltd2016
- Excel Mechanical Contracting Limited2012
All plumbing and heating companies in Mexborough · All trades in Mexborough · Plumbers and heating engineers across the UK
Frequently asked questions
When are Warmnest Heating Limited's accounts due?
Warmnest Heating Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Warmnest Heating Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Warmnest Heating Limited still trading?
Warmnest Heating Limited 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 Warmnest Heating Limited do?
Warmnest Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Warmnest Heating Limited?
Warmnest Heating Limited was incorporated on 13 November 2024, 1 year ago.
What is the penalty if Warmnest Heating Limited 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 Warmnest Heating Limited 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.