- Companies
- Plumbers and heating engineers
- London
- A.J Gas & Plumbing Services Ltd
A.J Gas & Plumbing Services Ltd
- Company number
- 15486402
- Incorporated
- 13 Feb 20242 years trading
- Registered office
- 100 Mellitus Street, London, W12 0AS
- Nature of business
- Plumbing, heat and air-conditioning installation
A.J Gas & Plumbing Services Ltd is a 2-year-old private limited company registered in London, company number 15486402, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where A.J Gas & Plumbing Services Ltd is registered
The registered office is in London (W12), in the Hammersmith and Fulham local authority area, London. Show W12 0AS on a map.
Other trade companies in W12
- Solren Cleaning LtdCleaning companies
- Skilser UK LimitedSpecialist contractors
- Kasco Builders LtdBuilders
- Roland’S Glass & Glazing LtdGlaziers
- Cybernova Solutions LimitedMechanics and garages
- Lolach Services LimitedCleaning companies
- Neat and Cleaning Services LtdCleaning companies
- Figaro W129 LimitedCleaning companies
What happens if A.J Gas & Plumbing Services 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15486402
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2024 (2 years ago)
- Registered office
- 100 Mellitus Street, London, W12 0AS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 12 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 London
Other active plumbing and heating companies registered in London.
- A.L.T. Heating Ltd2020
- A.M Pipe Solutions Limited2020
- A.V Gas Core Ltd2019
- A1 Gasco Heating Ltd2022
- A1Rforce Ltd2022
- A2Z Cooling Limited2021
- Aa Estate London Ltd2016
- Aa Maintenance Ltd2024
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are A.J Gas & Plumbing Services Ltd's accounts due?
A.J Gas & Plumbing Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is A.J Gas & Plumbing Services Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is A.J Gas & Plumbing Services Ltd still trading?
A.J Gas & Plumbing Services 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 A.J Gas & Plumbing Services Ltd do?
A.J Gas & Plumbing Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A.J Gas & Plumbing Services Ltd?
A.J Gas & Plumbing Services Ltd was incorporated on 13 February 2024, 2 years ago.
What is the penalty if A.J Gas & Plumbing Services 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 A.J Gas & Plumbing Services 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.