- Companies
- Plumbers and heating engineers
- Llantwit Major
- Andrew Allen Gas & Plumbing Limited
Andrew Allen Gas & Plumbing Limited
- Company number
- 07925778
- Incorporated
- 26 Jan 201214 years trading
- Registered office
- C/O GVS Illtud House, Station Road, Llantwit Major, Vale Of Glamorgan, CF61 1ST
- Nature of business
- Plumbing, heat and air-conditioning installation
Andrew Allen Gas & Plumbing Limited is a 14-year-old private limited company registered in Llantwit Major, company number 07925778, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £9,946 (-83.6%) on the year before, to -£22K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £500 against £22K owed within a year: 0.0 times cover.
- 2 employees 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£22K | £500 | £22K | 2 | |
| 31 Jan 2024 | -£12K | £965 | £11K | 2 | |
| 31 Jan 2023 | -£7,908 | £3,903 | 2 | ||
| 31 Jan 2022 | -£8,113 | £319 | £4,393 | £6,150 | 2 |
| 31 Jan 2021 | £4 | £9,261 | £12K | £3,169 | 2 |
| 31 Jan 2020 | £776 | £369 | £1,439 | £4,067 | 2 |
| 31 Jan 2019 | £496 | £2 | £1,363 | £4,100 | 2 |
| 31 Jan 2018 | £51 | £216 | £1,537 | £3,064 | 2 |
| 31 Jan 2017 | £91 | £1,439 | £2,664 | £3,260 | 3 |
| 31 Jan 2016 | £98 | £300 | £3,999 | £4,760 |
Where Andrew Allen Gas & Plumbing Limited is registered
The registered office is in Llantwit Major (CF61), in the Vale of Glamorgan local authority area, Wales. Show CF61 1ST on a map.
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- Arries Plumbing LtdPlumbers and heating engineers
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What happens if Andrew Allen Gas & Plumbing 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
- 07925778
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 January 2012 (14 years ago)
- Registered office
- C/O GVS Illtud House, Station Road, Llantwit Major, Vale Of Glamorgan, CF61 1ST
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 12 January 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 Llantwit Major
Other active plumbing and heating companies registered in Llantwit Major.
All plumbing and heating companies in Llantwit Major · All trades in Llantwit Major · Plumbers and heating engineers across the UK
Frequently asked questions
When are Andrew Allen Gas & Plumbing Limited's accounts due?
Andrew Allen Gas & Plumbing Limited's next accounts are due at Companies House by 31 October 2026 (in 17 days), covering the period to 31 January 2026.
When is Andrew Allen Gas & Plumbing Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Andrew Allen Gas & Plumbing Limited still trading?
Andrew Allen Gas & Plumbing 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 Andrew Allen Gas & Plumbing Limited do?
Andrew Allen Gas & Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Andrew Allen Gas & Plumbing Limited?
Andrew Allen Gas & Plumbing Limited was incorporated on 26 January 2012, 14 years ago.
What is the penalty if Andrew Allen Gas & Plumbing 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 Andrew Allen Gas & Plumbing 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.