- Companies
- Plumbers and heating engineers
- London
- Retro Renewables Ltd
Retro Renewables Ltd
- Company number
- 14017380
- Incorporated
- 31 Mar 20224 years trading
- Registered office
- Unit 102 John Carter House, 54-58 Kingsland Road, London, E2 8DP
- Nature of business
- Plumbing, heat and air-conditioning installation
Retro Renewables Ltd is a 4-year-old private limited company registered in London, company number 14017380, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 29 December 2026, and the CT600 for the period to 29 March 2026 is due at HMRC on 29 March 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 £176 (+18.1%) on the year before, to £1,147.
- Current assets of £402K against £422K owed within a year: 1.0 times cover.
- 15 employees on average, up from 13 the year before.
- 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 Mar 2025 | £1,147 | £50K | £402K | £422K | 15 |
| 31 Mar 2024 | £971 | £55K | £321K | £340K | 13 |
| 31 Mar 2023 | £629 | £11K | £73K | £83K | 3 |
Where Retro Renewables Ltd is registered
The registered office is in London (E2), in the Hackney local authority area, London. Show E2 8DP on a map.
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Also registered at this address
13 other companies use the same registered office as Retro Renewables Ltd.
- Allans Automotive LimitedMechanics and garages
- Bayuk LtdInstallers
- FCR Roofing & Building LtdSpecialist contractors
- H.S. Scaffolding (N.E.) LimitedScaffolders
- Jeff Tait Building & Roofing LtdProperty developers
- Luke Arend Landscapes LtdLandscapers and gardeners
- MRJ Plastering Ne LtdPlasterers
- Northern Stove Ne LimitedInstallers
- Quick Car Cash LtdMotor traders
- SB Building Services LimitedProperty developers
- Spray Granite UK LtdFloor and wall tilers
- Sunrise Solar LtdElectricians
- WR Services Ne LtdMachinery repair and installation
What happens if Retro Renewables 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 29 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2026 to 29 Jan 2027 | £150 |
| 1 to 3 months late | 30 Jan 2027 to 29 Mar 2027 | £375 |
| 3 to 6 months late | 30 Mar 2027 to 29 Jun 2027 | £750 |
| More than 6 months late | From 30 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Mar 2027 | £200 |
| 3 months late | 29 Jun 2027 | another £200 |
| 6 months late | 29 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 14017380
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 March 2022 (4 years ago)
- Registered office
- Unit 102 John Carter House, 54-58 Kingsland Road, London, E2 8DP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 30 March 2026
- Previous names
- Ab Renewable Solutions Limited (until 15 Jan 2025)
Simp Services Limited (until 7 May 2024)
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.
- Reva Services Limited2024
- RH Gas Services Ltd2013
- Rhino Watergas Ltd2026
- Rhodes Plumbing & Heating Limited2011
- Rhythm Boiler & Gas Services Limited2026
- Riaz Plumbing & Heating Ltd2020
- Riazul Plumbers Ltd2024
- Richard the Plumber Ltd2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Retro Renewables Ltd's accounts due?
Retro Renewables Ltd's next accounts are due at Companies House by 29 December 2026 (in 77 days), covering the period to 29 March 2026.
When is Retro Renewables Ltd's CT600 due?
The CT600 for the period to 29 March 2026 is due at HMRC by 29 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2026.
Is Retro Renewables Ltd still trading?
Retro Renewables 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 Retro Renewables Ltd do?
Retro Renewables Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Retro Renewables Ltd?
Retro Renewables Ltd was incorporated on 31 March 2022, 4 years ago.
What is the penalty if Retro Renewables 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 Retro Renewables 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.