- Companies
- Plumbers and heating engineers
- London
- A-Class Heating Services Ltd
A-Class Heating Services Ltd
- Company number
- 16324418
- Incorporated
- 18 Mar 20251 year trading
- Registered office
- 270 Bowes Road, London, N11 1AT
- Nature of business
- Plumbing, heat and air-conditioning installation
A-Class Heating Services Ltd is a 1-year-old private limited company registered in London, company number 16324418, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 18 December 2026, and its first CT600 is due at HMRC on 17 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 A-Class Heating Services Ltd is registered
The registered office is in London (N11), in the Enfield local authority area, London. Show N11 1AT on a map.
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What happens if A-Class Heating Services 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 18 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Dec 2026 to 18 Jan 2027 | £150 |
| 1 to 3 months late | 19 Jan 2027 to 18 Mar 2027 | £375 |
| 3 to 6 months late | 19 Mar 2027 to 18 Jun 2027 | £750 |
| More than 6 months late | From 19 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
- 16324418
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2025 (1 year ago)
- Registered office
- 270 Bowes Road, London, N11 1AT
- 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
- 16 April 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.
- A-Z Plumbing Ltd2024
- A. G. Utilities Limited2017
- A.A Heating Ltd2026
- A.A. Field Mechanical Services Limited2005
- A.C Ductwork Services Ltd2011
- A.J Gas & Plumbing Services Ltd2024
- A.L.T. Heating Ltd2020
- A.M Pipe Solutions Limited2020
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are A-Class Heating Services Ltd's accounts due?
A-Class Heating Services Ltd's next accounts are due at Companies House by 18 December 2026 (in 67 days), covering the period to 31 March 2026.
When is A-Class Heating Services 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 17 March 2026, due by 17 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 A-Class Heating Services Ltd still trading?
A-Class Heating Services 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 A-Class Heating Services Ltd do?
A-Class Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A-Class Heating Services Ltd?
A-Class Heating Services Ltd was incorporated on 18 March 2025, 1 year ago.
What is the penalty if A-Class Heating Services 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 A-Class Heating Services 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.