- Companies
- Plumbers and heating engineers
- London
- London Heat and Gas Ltd
London Heat and Gas Ltd
- Company number
- 10942973
- Incorporated
- 1 Sep 20179 years trading
- Registered office
- Unit 1, 4 Gaunson House, Markfield Road, London, N15 4QQ
- Nature of business
- Plumbing, heat and air-conditioning installation
London Heat and Gas Ltd is a 9-year-old private limited company registered in London, company number 10942973, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £16K (-90.4%) on the year before, to £1,755.
- Current assets of £4,847 against £3,092 owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2018 to 2019.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2019 | £1,755 | £0 | £4,847 | £3,092 | 0 |
| 30 Sep 2018 | £18K | £272 | £26K | £7,563 |
Where London Heat and Gas Ltd is registered
The registered office is in London (N15), in the Haringey local authority area, London. Show N15 4QQ on a map.
Other trade companies in N15
- Cleanport Services LtdCleaning companies
- Rozelle Cleaning LtdCleaning companies
- Hunt4Heating LtdPlumbers and heating engineers
- Clean Stitch LtdRepair services
- Watt Rite LtdElectricians
- Did-Fit LimitedPlasterers
- Arvin Cleaning Ltd LtdCleaning companies
- North London Building Control LimitedSpecialist contractors
What happens if London Heat and Gas 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 10942973
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 September 2017 (9 years ago)
- Registered office
- Unit 1, 4 Gaunson House, Markfield Road, London, N15 4QQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 1 July 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.
- London Heat Engineers Limited2016
- London Heat Pumps Ltd2020
- London Heating Solutions Ltd2008
- London Installations Limited2018
- London Luxury Bathrooms Ltd2025
- London Luxury Construction Ltd2021
- London M&E Ltd2024
- London Plumbers and Heating Ltd2015
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are London Heat and Gas Ltd's accounts due?
London Heat and Gas Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is London Heat and Gas Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is London Heat and Gas Ltd still trading?
London Heat and Gas 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 London Heat and Gas Ltd do?
London Heat and Gas Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is London Heat and Gas Ltd?
London Heat and Gas Ltd was incorporated on 1 September 2017, 9 years ago.
What is the penalty if London Heat and Gas 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 London Heat and Gas 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.