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- Plumbers and heating engineers
- Colindale
- Heat Tech Engineers Ltd
Company profile · Plumbers and heating engineers
Heat Tech Engineers Ltd
Heat Tech Engineers Ltd is a 1-year-old private limited company registered in Colindale, company number 16236594, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 7 November 2026, and its first CT600 is due at HMRC on 6 February 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.
Is this your company?
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Where Heat Tech Engineers Ltd is registered
The registered office is in Colindale (NW9), in the Barnet local authority area, London. Show NW9 4AP on a map.
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What happens if Heat Tech Engineers 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 7 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Nov 2026 to 7 Dec 2026 | £150 |
| 1 to 3 months late | 8 Dec 2026 to 7 Feb 2027 | £375 |
| 3 to 6 months late | 8 Feb 2027 to 7 May 2027 | £750 |
| More than 6 months late | From 8 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16236594
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 2025 (1 year ago)
- Registered office
- Flat 13 9 Trobridge Parade, Grahame Park Way, Colindale, London, NW9 4AP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 6 February 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 Colindale
Other active plumbing and heating companies registered in Colindale.
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Frequently asked questions
When are Heat Tech Engineers Ltd's accounts due?
Heat Tech Engineers Ltd's next accounts are due at Companies House by 7 November 2026 (in 26 days), covering the period to 28 February 2026.
When is Heat Tech Engineers 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 6 February 2026, due by 6 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Heat Tech Engineers Ltd still trading?
Heat Tech Engineers 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 Heat Tech Engineers Ltd do?
Heat Tech Engineers Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Heat Tech Engineers Ltd?
Heat Tech Engineers Ltd was incorporated on 7 February 2025, 1 year ago.
What is the penalty if Heat Tech Engineers 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 Heat Tech Engineers 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.