- Companies
- Plumbers and heating engineers
- London
- Gas Flow Pro Ltd
Gas Flow Pro Ltd
- Company number
- 16021193
- Incorporated
- 16 Oct 20241 year trading
- Registered office
- Schoolkeepers House, Gillespie Road, London, N5 1LH
- Nature of business
- Plumbing, heat and air-conditioning installation
Gas Flow Pro Ltd is a 1-year-old private limited company registered in London, company number 16021193, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 16 October 2026, and its first CT600 is due at HMRC on 15 October 2026.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Gas Flow Pro Ltd is registered
The registered office is in London (N5), in the Islington local authority area, London. Show N5 1LH on a map.
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What happens if Gas Flow Pro 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 16 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Oct 2026 to 16 Nov 2026 | £150 |
| 1 to 3 months late | 17 Nov 2026 to 16 Jan 2027 | £375 |
| 3 to 6 months late | 17 Jan 2027 to 16 Apr 2027 | £750 |
| More than 6 months late | From 17 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2026 | £200 |
| 3 months late | 31 Jan 2027 | another £200 |
| 6 months late | 30 Apr 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2027 | 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
- 16021193
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 October 2024 (1 year ago)
- Registered office
- Schoolkeepers House, Gillespie Road, London, N5 1LH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 15 October 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.
- Gas Force Direct Heating and Cooling Ltd2019
- Gas Heat Flow Ltd2025
- Gas Help Ltd2025
- Gas Inspections Ltd2023
- Gas Logik Gas Engineers Ltd2019
- Gas on Tap Ltd2018
- Gas One Group Ltd2019
- Gas Plumbing Heating Limited2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gas Flow Pro Ltd's accounts due?
Gas Flow Pro Ltd's next accounts are due at Companies House by 16 October 2026 (in 3 days), covering the period to 31 October 2025.
When is Gas Flow Pro 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 15 October 2025, due by 15 October 2026, and one for the period to 31 October 2025, due by 31 October 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Gas Flow Pro Ltd still trading?
Gas Flow Pro 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 Gas Flow Pro Ltd do?
Gas Flow Pro Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gas Flow Pro Ltd?
Gas Flow Pro Ltd was incorporated on 16 October 2024, 1 year ago.
What is the penalty if Gas Flow Pro 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 Gas Flow Pro 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.