- Companies
- Plumbers and heating engineers
- London
- Heatwave Enterprise Ltd
Heatwave Enterprise Ltd
- Company number
- 15343542
- Incorporated
- 11 Dec 20232 years trading
- Registered office
- 9 Tyndall Road, London, E10 6QJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Heatwave Enterprise Ltd is a 2-year-old private limited company registered in London, company number 15343542, one of 2,972 plumbing and heating companies in London. 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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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £568 (-70.3%) on the year before, to £240.
- Current assets of £1,258 against £1,932 owed within a year: 0.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £240 | £1,258 | £1,932 | 0 | |
| 31 Dec 2024 | £808 | £5,582 | £6,739 | 0 |
Where Heatwave Enterprise Ltd is registered
The registered office is in London (E10), in the Waltham Forest local authority area, London. Show E10 6QJ on a map.
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What happens if Heatwave Enterprise 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 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
- 15343542
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 December 2023 (2 years ago)
- Registered office
- 9 Tyndall Road, London, E10 6QJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 10 December 2025
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.
- Heatwise Group Limited2026
- Heatwizard Limited2012
- Heatworks London Ltd2022
- Heatz Ltd2025
- Heatzone London Ltd2016
- Heddonglow Exhibitions Limited1983
- Heelas Heating Ltd2025
- Helias Solutions Ltd2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Heatwave Enterprise Ltd's accounts due?
Heatwave Enterprise Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Heatwave Enterprise Ltd'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 Heatwave Enterprise Ltd still trading?
Heatwave Enterprise 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 Heatwave Enterprise Ltd do?
Heatwave Enterprise Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Heatwave Enterprise Ltd?
Heatwave Enterprise Ltd was incorporated on 11 December 2023, 2 years ago.
What is the penalty if Heatwave Enterprise 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 Heatwave Enterprise 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.