- Companies
- Plumbers and heating engineers
- London
- South London Heating Limited
South London Heating Limited
- Company number
- 06408521
- Incorporated
- 25 Oct 200718 years trading
- Registered office
- 67 High Street, London, SE20 7HW
- Nature of business
- Plumbing, heat and air-conditioning installation
South London Heating Limited is a 18-year-old private limited company registered in London, company number 06408521, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 £13K (-10.6%) on the year before, to £110K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £280K against £173K owed within a year: 1.6 times cover.
- 7 employees on average during the year.
- Balance sheets on record for 9 years, 2016 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £110K | £157K | £280K | £173K | 7 |
| 31 Oct 2023 | £123K | £141K | £239K | £123K | 7 |
| 31 Oct 2022 | £111K | £152K | £231K | £135K | 7 |
| 31 Oct 2021 | £119K | £190K | £262K | £154K | 6 |
| 31 Oct 2020 | £85K | £162K | £246K | £167K | 6 |
| 31 Oct 2019 | £68K | £165K | £241K | £184K | 5 |
| 31 Oct 2018 | £56K | £138K | £185K | £140K | 5 |
| 31 Oct 2017 | £5,274 | £87K | £155K | £160K | 5 |
| 31 Oct 2016 | £54K | £93K | £167K | £116K | 6 |
Where South London Heating Limited is registered
The registered office is in London (SE20), in the Bromley local authority area, London. Show SE20 7HW on a map.
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What happens if South London Heating Limited 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 06408521
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2007 (18 years ago)
- Registered office
- 67 High Street, London, SE20 7HW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 25 October 2025
- Previous names
- GPH Services UK Limited (until 30 Mar 2012)
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.
- South Star Plumbers Limited2018
- South West 4 Property Services Ltd2021
- South West Heating & Plumbing Ltd2023
- Southeast Ecotec Services Limited2023
- Southern Gas Ltd2023
- Southern Plumbing Solutions Ltd2024
- Southside Creations Ltd2025
- Southside Plumbing Ltd2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are South London Heating Limited's accounts due?
South London Heating Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is South London Heating Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is South London Heating Limited still trading?
South London Heating Limited 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 South London Heating Limited do?
South London Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is South London Heating Limited?
South London Heating Limited was incorporated on 25 October 2007, 18 years ago.
What is the penalty if South London Heating Limited 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 South London Heating Limited 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.