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- Ec1 Solar Ltd
Company profile · Installers
Ec1 Solar Ltd
Ec1 Solar Ltd is a newly incorporated private limited company registered in London, company number 17023354, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 10 November 2027, and its first CT600 is due at HMRC on 9 February 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Ec1 Solar Ltd is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
Other trade companies in EC2A
- Simlan Management LtdCleaning companies
- Renova Secure LtdBuilders
- Auraglasspartitions LtdGlaziers
- A2D Professional Cleaning LtdCleaning companies
- Matson Co. LtdProperty developers
- Paint Hub LimitedMechanics and garages
- SJK Construction & Management LtdBuilders
- Cenlora Cleaning Group LtdCleaning companies
Shared registered office
1,581 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 Ec1 Solar 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 10 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Nov 2027 to 10 Dec 2027 | £150 |
| 1 to 3 months late | 11 Dec 2027 to 10 Feb 2028 | £375 |
| 3 to 6 months late | 11 Feb 2028 to 10 May 2028 | £750 |
| More than 6 months late | From 11 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 17023354
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 2026
- Registered office
- 3RD Floor, 86-90, Paul Street, London, England, EC2A 4NE
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Eco 2 Heating Ltd2025
- Eco App Limited2010
- Eco Bloom Ltd2026
- Eco Expert Homes Ltd2023
- Eco Green Supplies Ltd2026
- Eco Lifestyle Home Improvements Limited2016
- Eco Loft Solutions Ltd2024
- Eco Logical Construction Ltd2021
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Ec1 Solar Ltd's accounts due?
Ec1 Solar Ltd's next accounts are due at Companies House by 10 November 2027 (in 394 days), covering the period to 28 February 2027.
When is Ec1 Solar 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 9 February 2027, due by 9 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ec1 Solar Ltd still trading?
Ec1 Solar 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 Ec1 Solar Ltd do?
Ec1 Solar Ltd is registered under Other construction installation (SIC 43290).
How old is Ec1 Solar Ltd?
Ec1 Solar Ltd was incorporated on 10 February 2026, less than a year ago.
What is the penalty if Ec1 Solar 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 Ec1 Solar 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.