- Companies
- Installers
- London
- Astro Renewables Ltd
Astro Renewables Ltd
- Company number
- 15473994
- Incorporated
- 8 Feb 20242 years trading
- Registered office
- 4TH Floor, Silverstream House, 45 Fitzroy Street, London, W1T 6EB
- Nature of business
- Other construction installation; Environmental consulting activities
Astro Renewables Ltd is a 2-year-old private limited company registered in London, company number 15473994, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Astro Renewables Ltd is registered
The registered office is in London (W1T), in the Camden local authority area, London. Show W1T 6EB on a map.
Other trade companies in W1T
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- Northheat Plumbing & Heating LtdPlumbers and heating engineers
- Leuk Lift Engineering UK LtdMachinery repair and installation
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- Denvav LimitedBuilders
- Marshall Roofing Services LtdRoofers
Shared registered office
53 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 Astro 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 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
- 15473994
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 February 2024 (2 years ago)
- Registered office
- 4TH Floor, Silverstream House, 45 Fitzroy Street, London, W1T 6EB
- Nature of business
- Other construction installation (SIC 43290)
Environmental consulting activities (SIC 74901) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 7 February 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- At East & West Ltd2014
- At Nova Construction Ltd2016
- Atd General Construction Ltd2024
- Atd Home Improvements Ltd2026
- Atelier 88 Ltd2026
- Atelier Bespoke Design and Build Ltd2023
- Atlanticsgreen Limited2025
- Atlas Build Group Limited2025
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Astro Renewables Ltd's accounts due?
Astro Renewables Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Astro Renewables Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Astro Renewables Ltd still trading?
Astro 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 Astro Renewables Ltd do?
Astro Renewables Ltd is registered under Other construction installation (SIC 43290); Environmental consulting activities (SIC 74901).
How old is Astro Renewables Ltd?
Astro Renewables Ltd was incorporated on 8 February 2024, 2 years ago.
What is the penalty if Astro 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 Astro 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.