- Companies
- Plumbers and heating engineers
- London
- Coolheat Experts Ltd
Coolheat Experts Ltd
- Company number
- 16803434
- Incorporated
- 22 Oct 2025
- Registered office
- 124-128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation
Coolheat Experts Ltd is a newly incorporated private limited company registered in London, company number 16803434, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 22 July 2027, and its first CT600 is due at HMRC on 21 October 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 Coolheat Experts Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
355 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 Coolheat Experts 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 22 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Jul 2027 to 22 Aug 2027 | £150 |
| 1 to 3 months late | 23 Aug 2027 to 22 Oct 2027 | £375 |
| 3 to 6 months late | 23 Oct 2027 to 22 Jan 2028 | £750 |
| More than 6 months late | From 23 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16803434
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 October 2025
- Registered office
- 124-128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (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 London
Other active plumbing and heating companies registered in London.
- Cooling and Heating Installations Ltd2026
- Coolio London Limited2026
- Cooltop Limited2010
- Coolways London Ltd2018
- Coombewood Ltd2004
- Cooney and Company UK Limited2009
- Copper Fingers Limited2025
- Copper Gas & Heating Ltd2021
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Coolheat Experts Ltd's accounts due?
Coolheat Experts Ltd's next accounts are due at Companies House by 22 July 2027 (in 282 days), covering the period to 31 October 2026.
When is Coolheat Experts 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 21 October 2026, due by 21 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Coolheat Experts Ltd still trading?
Coolheat Experts 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 Coolheat Experts Ltd do?
Coolheat Experts Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Coolheat Experts Ltd?
Coolheat Experts Ltd was incorporated on 22 October 2025, less than a year ago.
What is the penalty if Coolheat Experts 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 Coolheat Experts 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.