- Companies
- Plumbers and heating engineers
- London
- Green BL Ltd
Green BL Ltd
- Company number
- 13669473
- Incorporated
- 8 Oct 20215 years trading
- Registered office
- 13 Kilronan, Rosebank Way, London, W3 6TX
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation
Green BL Ltd is a 5-year-old private limited company registered in London, company number 13669473, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 22 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 unchanged on the year before, at £1.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £1 | 0 | |||
| 31 Oct 2023 | £1 | 0 | |||
| 31 Oct 2022 | £1 | £1 | 1 |
Where Green BL Ltd is registered
The registered office is in London (W3), in the Ealing local authority area, London. Show W3 6TX on a map.
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What happens if Green BL 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 22 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Oct 2026 to 22 Nov 2026 | £150 |
| 1 to 3 months late | 23 Nov 2026 to 22 Jan 2027 | £375 |
| 3 to 6 months late | 23 Jan 2027 to 22 Apr 2027 | £750 |
| More than 6 months late | From 23 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 23 Jan 2027 | £200 |
| 3 months late | 22 Apr 2027 | another £200 |
| 6 months late | 22 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 22 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
- 13669473
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 October 2021 (5 years ago)
- Registered office
- 13 Kilronan, Rosebank Way, London, W3 6TX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 30 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 21 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.
- Green Energy Eco Ltd2020
- Green Energy Renewables Ltd2026
- Green Flame Energy Ltd2022
- Green Flame London Ltd2021
- Green Gas London Ltd2019
- Green Living HVAC Solutions Ltd2016
- Green Oak Gas Services Ltd2023
- Green Plumbers & Heating Services Ltd2021
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Green BL Ltd's accounts due?
Green BL Ltd's next accounts are due at Companies House by 22 October 2026 (in 9 days), covering the period to 22 January 2026.
When is Green BL 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 October 2025, due by 31 October 2026, and one for the period to 22 January 2026, due by 22 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Green BL Ltd still trading?
Green BL 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 BL Ltd do?
Green BL Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is Green BL Ltd?
Green BL Ltd was incorporated on 8 October 2021, 5 years ago.
What is the penalty if Green BL 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 BL 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.