- Companies
- Specialist contractors
- London
- Railton Renewable Energy Limited
Railton Renewable Energy Limited
- Company number
- 08291082
- Incorporated
- 13 Nov 201213 years trading
- Registered office
- 5TH Floor, 167-169 Great Portland Street, London, W1W 5PF
- Nature of business
- Other specialised construction activities n.e.c.
Railton Renewable Energy Limited is a 13-year-old private limited company registered in London, company number 08291082, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 down £109K (-254.8%) on the year before, to -£66K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £48K against £111K owed within a year: 0.4 times cover.
- 2 employees on average, down from 6 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | -£66K | £48K | £111K | 2 | |
| 31 Dec 2024 | £43K | £104K | £59K | 6 | |
| 31 Dec 2023 | -£4,068 | £79K | £71K | 4 | |
| 31 Dec 2022 | -£41K | £97K | £122K | 1 | |
| 31 Dec 2021 | -£49K | -£1,127 | £26K | 1 | |
| 31 Dec 2020 | £33K | £7,964 | £7,704 | 0 | |
| 31 Dec 2019 | £32K | £7,608 | £21K | 0 | |
| 31 Dec 2018 | £4,298 | £18K | £21K | ||
| 31 Dec 2017 | £12K | £29K | £27K | ||
| 31 Dec 2016 | £13K | £14K | £11K |
Where Railton Renewable Energy Limited is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
30 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 Railton Renewable Energy Limited 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 08291082
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 November 2012 (13 years ago)
- Registered office
- 5TH Floor, 167-169 Great Portland Street, London, W1W 5PF
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 14 October 2025
- Previous names
- 3G Renewable Energy Limited (until 19 May 2016)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Rainbow One Construction UK Ltd2026
- Rainmaker Renewables Alpha Ltd2015
- Ramcam Media Ltd2021
- Ramel Services Ltd2025
- Rami-Hmo's Ltd2026
- Ramjany Maintenance Services Ltd2025
- Rams Property Services Ltd2026
- Ramu Group Ltd2025
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Railton Renewable Energy Limited's accounts due?
Railton Renewable Energy Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Railton Renewable Energy Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Railton Renewable Energy Limited still trading?
Railton Renewable Energy Limited 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 Railton Renewable Energy Limited do?
Railton Renewable Energy Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Railton Renewable Energy Limited?
Railton Renewable Energy Limited was incorporated on 13 November 2012, 13 years ago.
What is the penalty if Railton Renewable Energy Limited 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 Railton Renewable Energy Limited 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.