- Companies
- Plumbers and heating engineers
- London
- Gas Proco (London) Ltd
Gas Proco (London) Ltd
- Company number
- 08886484
- Incorporated
- 11 Feb 201412 years trading
- Registered office
- 52 Wix's Lane, London, SW4 0AQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Gas Proco (London) Ltd is a 12-year-old private limited company registered in London, company number 08886484, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 27 November 2026, and the CT600 for the period to 27 February 2026 is due at HMRC on 27 February 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 £2,670 (-81.7%) on the year before, to £599.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £52K against £24K owed within a year: 2.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 27 Feb 2025 | £599 | £17K | £52K | £24K | 1 |
| 28 Feb 2024 | £3,269 | £55K | £23K | 1 | |
| 28 Feb 2023 | -£8,412 | £5,598 | £27K | £26K | 1 |
| 28 Feb 2022 | -£32K | £1,571 | £14K | £31K | 1 |
| 28 Feb 2021 | -£9,384 | £3,486 | £36K | £26K | 1 |
| 29 Feb 2020 | £5,683 | £6,400 | £18K | £11K | 1 |
| 28 Feb 2019 | £1,932 | £2,878 | £4,610 | £1,629 | |
| 28 Feb 2018 | £54K | £14K | £63K | £8,425 | |
| 28 Feb 2017 | £70K | £14K | £65K | £1,407 | |
| 29 Feb 2016 | £27K | £20K | £56K | £34K |
Where Gas Proco (London) Ltd is registered
The registered office is in London (SW4), in the Lambeth local authority area, London. Show SW4 0AQ on a map.
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- FormÅL Investments I LimitedProperty developers
- MN Properties London LimitedProperty developers
- Fresh Concepts Construction LtdBuilders
- Blissfix Plumbing and Heating LtdPlumbers and heating engineers
- MK Primecraft LtdSpecialist contractors
- Rainespropertyservices LtdCleaning companies
What happens if Gas Proco (London) 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 27 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Nov 2026 to 27 Dec 2026 | £150 |
| 1 to 3 months late | 28 Dec 2026 to 27 Feb 2027 | £375 |
| 3 to 6 months late | 28 Feb 2027 to 27 May 2027 | £750 |
| More than 6 months late | From 28 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 Feb 2027 | £200 |
| 3 months late | 27 May 2027 | another £200 |
| 6 months late | 27 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 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
- 08886484
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 February 2014 (12 years ago)
- Registered office
- 52 Wix's Lane, London, SW4 0AQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 27 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 27 February 2025
- Last confirmation statement
- 6 May 2026
- Previous names
- Capital Maintenance & Installation Ltd (until 1 Apr 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.
- Gas Ray Ltd2017
- Gas Safety Certificates Ltd2025
- Gas Safety Check1 Ltd2024
- Gas Safety Inspections Ltd2012
- Gas Tech Solutions Limited2007
- Gas Weiss Plumbing & Heating Ltd2014
- Gas Wright Services Ltd2017
- Gas&Grit Constructions Ltd2025
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gas Proco (London) Ltd's accounts due?
Gas Proco (London) Ltd's next accounts are due at Companies House by 27 November 2026 (in 45 days), covering the period to 27 February 2026.
When is Gas Proco (London) Ltd's CT600 due?
The CT600 for the period to 27 February 2026 is due at HMRC by 27 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 November 2026.
Is Gas Proco (London) Ltd still trading?
Gas Proco (London) 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 Gas Proco (London) Ltd do?
Gas Proco (London) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gas Proco (London) Ltd?
Gas Proco (London) Ltd was incorporated on 11 February 2014, 12 years ago.
What is the penalty if Gas Proco (London) 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 Gas Proco (London) 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.