- Companies
- Plumbers and heating engineers
- London
- A1 Gasco Heating Ltd
A1 Gasco Heating Ltd
- Company number
- 14273966
- Incorporated
- 3 Aug 20224 years trading
- Registered office
- 185 Hornsey Park RD, London, N8 0JX
- Nature of business
- Plumbing, heat and air-conditioning installation
A1 Gasco Heating Ltd is a 4-year-old private limited company registered in London, company number 14273966, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £4,223 (+407.2%) on the year before, to £5,260.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £5,260 | £9,339 | £4,079 | 1 | |
| 31 Aug 2024 | £1,037 | £9,280 | £8,243 | 1 | |
| 31 Aug 2023 | £142 | £4,692 | £4,550 | 1 |
Where A1 Gasco Heating Ltd is registered
The registered office is in London (N8), in the Haringey local authority area, London. Show N8 0JX on a map.
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What happens if A1 Gasco Heating 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 14273966
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 August 2022 (4 years ago)
- Registered office
- 185 Hornsey Park RD, London, N8 0JX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 2 August 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.
- A1Rforce Ltd2022
- A2Z Cooling Limited2021
- Aa Estate London Ltd2016
- Aa Maintenance Ltd2024
- Aa Plumbing & Bathrooms Ltd2022
- Aaa Gas Services Ltd2021
- Aag Works Ltd2021
- Ab Heat Workz Ltd2023
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are A1 Gasco Heating Ltd's accounts due?
A1 Gasco Heating Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is A1 Gasco Heating Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is A1 Gasco Heating Ltd still trading?
A1 Gasco Heating 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 A1 Gasco Heating Ltd do?
A1 Gasco Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A1 Gasco Heating Ltd?
A1 Gasco Heating Ltd was incorporated on 3 August 2022, 4 years ago.
What is the penalty if A1 Gasco Heating 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 A1 Gasco Heating 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.