- Companies
- Plumbers and heating engineers
- London
- Green Flame London Ltd
Green Flame London Ltd
- Company number
- 13508086
- Incorporated
- 13 Jul 20215 years trading
- Registered office
- Unit 37 Cumberland Business Park, 17 Cumberland Avenue,, London, NW10 7SL
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing
Green Flame London Ltd is a 5-year-old private limited company registered in London, company number 13508086, 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Green Flame London LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £56K (-99.8%) on the year before, to £100.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £100 | £100 | £0 | 0 | |
| 31 Jul 2024 | £56K | £129K | £103K | 4 | |
| 31 Jul 2023 | £27K | £93K | 4 | ||
| 31 Jul 2022 | £2,598 | £149K | 3 |
Where Green Flame London Ltd is registered
The registered office is in London (NW10), in the Brent local authority area, England. Show NW10 7SL on a map.
Other trade companies in NW10
- Smart Roof Group LtdRoofers
- Mah Maintenance London LimitedFinishing trades
- 46 Electrical LtdElectricians
- Ahf Construction LtdBuilders
- Hook and Hoist LtdMachinery repair and installation
- Wrights Building Services LtdFinishing trades
- Abx Autos LtdMotor traders
- Ev & Plug-in Centre LtdMechanics and garages
What happens if Green Flame London 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
- 13508086
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 July 2021 (5 years ago)
- Registered office
- Unit 37 Cumberland Business Park, 17 Cumberland Avenue,, London, NW10 7SL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 1 July 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 Gas London Ltd2019
- Green Living HVAC Solutions Ltd2016
- Green Oak Gas Services Ltd2023
- Green Plumbers & Heating Services Ltd2021
- Greener Home Heating Limited2016
- Greener Homes Group Ltd2017
- Greenthrive Renewables Ltd2026
- Greg's Maintenance Limited2020
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Green Flame London Ltd's accounts due?
Green Flame London 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 Green Flame London 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 Green Flame London Ltd still trading?
Green Flame London 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 Flame London Ltd do?
Green Flame London Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is Green Flame London Ltd?
Green Flame London Ltd was incorporated on 13 July 2021, 5 years ago.
What is the penalty if Green Flame London 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 Flame London 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.