- Companies
- Plumbers and heating engineers
- London
- A&G Plumbing and Heating London Ltd
A&G Plumbing and Heating London Ltd
- Company number
- 12990255
- Incorporated
- 2 Nov 20205 years trading
- Registered office
- 71 Downsell Road, Leyton, London, E15 2TR
- Nature of business
- Plumbing, heat and air-conditioning installation
A&G Plumbing and Heating London Ltd is a 5-year-old private limited company registered in London, company number 12990255, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 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 up £750 (+10.4%) on the year before, to £7,971.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £7,971 | £4,654 | £0 | 1 | |
| 30 Nov 2023 | £7,221 | £4,669 | £618 | 1 | |
| 30 Nov 2022 | £6,559 | £3,586 | £893 | 0 | |
| 30 Nov 2021 | £88 | £137 | £4,940 | 0 |
Where A&G Plumbing and Heating London Ltd is registered
The registered office is in London (E15), in the Waltham Forest local authority area, London. Show E15 2TR on a map.
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What happens if A&G Plumbing and Heating 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 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
- 12990255
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 November 2020 (5 years ago)
- Registered office
- 71 Downsell Road, Leyton, London, E15 2TR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 31 August 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.
- A&H Heating and Gas Ltd2025
- A&P Heating and Plumbing Limited2022
- A&R Clima Air Conditioner Limited2024
- A&S Construction and Cleaning Ltd2025
- A&V Plumbing and Heating Ltd2022
- A-Class Heating Services Ltd2025
- A-Z Plumbing Ltd2024
- A. G. Utilities Limited2017
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are A&G Plumbing and Heating London Ltd's accounts due?
A&G Plumbing and Heating London Ltd's next accounts are due at Companies House by 30 November 2026 (in 47 days), covering the period to 28 February 2026.
When is A&G Plumbing and Heating London Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is A&G Plumbing and Heating London Ltd still trading?
A&G Plumbing and Heating London Ltd is listed as active on the Companies House register (checked 13 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&G Plumbing and Heating London Ltd do?
A&G Plumbing and Heating London Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A&G Plumbing and Heating London Ltd?
A&G Plumbing and Heating London Ltd was incorporated on 2 November 2020, 5 years ago.
What is the penalty if A&G Plumbing and Heating 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 A&G Plumbing and Heating London Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.