- Companies
- Plumbers and heating engineers
- London
- Green Oak Gas Services Ltd
Green Oak Gas Services Ltd
- Company number
- 15349175
- Incorporated
- 13 Dec 20232 years trading
- Registered office
- 70 Bounces Road, London, N9 8JS
- Nature of business
- Plumbing, heat and air-conditioning installation
Green Oak Gas Services Ltd is a 2-year-old private limited company registered in London, company number 15349175, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 24 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Green Oak Gas Services Ltd is registered
The registered office is in London (N9), in the Enfield local authority area, London. Show N9 8JS on a map.
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Shared registered office
98 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Green Oak Gas 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 24 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Dec 2026 to 24 Jan 2027 | £150 |
| 1 to 3 months late | 25 Jan 2027 to 24 Mar 2027 | £375 |
| 3 to 6 months late | 25 Mar 2027 to 24 Jun 2027 | £750 |
| More than 6 months late | From 25 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 25 Mar 2027 | £200 |
| 3 months late | 24 Jun 2027 | another £200 |
| 6 months late | 24 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 24 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
- 15349175
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 December 2023 (2 years ago)
- Registered office
- 70 Bounces Road, London, N9 8JS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 14 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.
- Green Plumbers & Heating Services Ltd2021
- Greener Home Heating Limited2016
- Greener Homes Group Ltd2017
- Greenthrive Renewables Ltd2026
- Greg's Maintenance Limited2020
- Grob Group Ltd1945
- Gross Air Conditioning Ltd2006
- Ground Source Heat Limited2017
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Green Oak Gas Services Ltd's accounts due?
Green Oak Gas Services Ltd's next accounts are due at Companies House by 24 December 2026 (in 72 days), covering the period to 24 March 2026.
When is Green Oak Gas Services 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 31 December 2025, due by 31 December 2026, and one for the period to 24 March 2026, due by 24 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Green Oak Gas Services Ltd still trading?
Green Oak Gas 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 Green Oak Gas Services Ltd do?
Green Oak Gas Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Green Oak Gas Services Ltd?
Green Oak Gas Services Ltd was incorporated on 13 December 2023, 2 years ago.
What is the penalty if Green Oak Gas 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 Green Oak Gas 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.