- Companies
- Plumbers and heating engineers
- London
- Capital Heat Mechanical Ltd
Capital Heat Mechanical Ltd
- Company number
- 15673798
- Incorporated
- 23 Apr 20242 years trading
- Registered office
- Grove Park Studio Studio G2, Grove Park Studios, 188-192 Sutton Court Road, London, W4 3HR
- Nature of business
- Plumbing, heat and air-conditioning installation
Capital Heat Mechanical Ltd is a 2-year-old private limited company registered in London, company number 15673798, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 30 April 2025, as filed at Companies House.
Who runs and owns Capital Heat Mechanical Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** H*** | Director | Apr 2024 |
Person with significant control
Where Capital Heat Mechanical Ltd is registered
The registered office is in London (W4), in the Hounslow local authority area, London. Show W4 3HR on a map.
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What happens if Capital Heat Mechanical 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15673798
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2024 (2 years ago)
- Registered office
- Grove Park Studio Studio G2, Grove Park Studios, 188-192 Sutton Court Road, London, W4 3HR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 26 March 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 London
Other active plumbing and heating companies registered in London.
- Capital Hiu Engineers Limited2021
- Capital Properties Umbrella Ltd2018
- Captain Gas Ltd2018
- Captain Heating Ltd2019
- Captial Climate Ltd2026
- Caravel HVAC Services Limited2025
- Care Design Bathrooms Ltd2025
- Carlo Chanti Ltd2017
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Capital Heat Mechanical Ltd's accounts due?
Capital Heat Mechanical Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Capital Heat Mechanical Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Capital Heat Mechanical Ltd still trading?
Capital Heat Mechanical 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 Capital Heat Mechanical Ltd do?
Capital Heat Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Capital Heat Mechanical Ltd?
Capital Heat Mechanical Ltd was incorporated on 23 April 2024, 2 years ago.
Who runs Capital Heat Mechanical Ltd?
Capital Heat Mechanical Ltd has 1 active director, the longest-serving appointed in Apr 2024. Their names and service addresses are on the Companies House register.
Who owns Capital Heat Mechanical Ltd?
One person or company has significant control of Capital Heat Mechanical Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Capital Heat Mechanical 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 Capital Heat Mechanical 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.