- Companies
- Plumbers and heating engineers
- London
- Aj Patrick Gas Engineer and Plumbing Ltd
Aj Patrick Gas Engineer and Plumbing Ltd
- Company number
- 12760819
- Incorporated
- 22 Jul 20206 years trading
- Registered office
- Flat 12 Turnham House, Frendsbury Road, London, SE4 2HQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Aj Patrick Gas Engineer and Plumbing Ltd is a 6-year-old private limited company registered in London, company number 12760819, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 up £1,847 (+41.3%) on the year before, to £6,315.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of -£3,613 against £5,145 owed within a year: -0.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £6,315 | -£3,613 | £5,145 | 0 | |
| 31 Jul 2024 | £4,468 | £3,743 | £15K | 0 | |
| 31 Jul 2023 | £11K | £5,591 | £10K | 0 | |
| 31 Jul 2022 | £4,711 | £2,464 | £14K | 0 | |
| 31 Jul 2021 | -£4,350 | £128 | 0 |
Where Aj Patrick Gas Engineer and Plumbing Ltd is registered
The registered office is in London (SE4), in the Lewisham local authority area, London. Show SE4 2HQ on a map.
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What happens if Aj Patrick Gas Engineer and Plumbing 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12760819
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 July 2020 (6 years ago)
- Registered office
- Flat 12 Turnham House, Frendsbury Road, London, SE4 2HQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 9 April 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.
- Aj Plumbing and Property Service Ltd2022
- Ajarich Group Ltd2026
- Ajax Heating Ltd2026
- Ak Gas Plumbing & Heating Ltd2019
- Akdemir Limited2021
- Akers Mep Services Ltd2026
- Akgul Design Decoration & Installation Services Ltd2019
- Akhmadov Limited2012
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Aj Patrick Gas Engineer and Plumbing Ltd's accounts due?
Aj Patrick Gas Engineer and Plumbing Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Aj Patrick Gas Engineer and Plumbing Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Aj Patrick Gas Engineer and Plumbing Ltd still trading?
Aj Patrick Gas Engineer and Plumbing 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 Aj Patrick Gas Engineer and Plumbing Ltd do?
Aj Patrick Gas Engineer and Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Aj Patrick Gas Engineer and Plumbing Ltd?
Aj Patrick Gas Engineer and Plumbing Ltd was incorporated on 22 July 2020, 6 years ago.
What is the penalty if Aj Patrick Gas Engineer and Plumbing 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 Aj Patrick Gas Engineer and Plumbing 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.