- Companies
- Specialist contractors
- London
- Ecoalex Ltd
Ecoalex Ltd
- Company number
- 07682736
- Incorporated
- 27 Jun 201115 years trading
- Registered office
- 3RD Floor, Hathaway House, Popes Drive, London, N3 1QF
- Nature of business
- Other specialised construction activities n.e.c.
Ecoalex Ltd is a 15-year-old private limited company registered in London, company number 07682736, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £483 (-41.2%) on the year before, to £688.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £7,127 against £6,631 owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £688 | £7,127 | £6,631 | 0 | |
| 30 Jun 2024 | £1,171 | £8,762 | £6,088 | 1 | |
| 30 Jun 2023 | £824 | £11K | £6,487 | 1 | |
| 30 Jun 2022 | £2,428 | £14K | £5,752 | 1 | |
| 30 Jun 2021 | £165 | £12K | £2,421 | 1 | |
| 30 Jun 2020 | £1,177 | £3,952 | £2,775 | 1 | |
| 30 Jun 2019 | £908 | £5,561 | £4,653 | 1 | |
| 30 Jun 2018 | £213 | ||||
| 30 Jun 2017 | -£2,381 | £1,497 | £3,878 | ||
| 30 Jun 2016 | -£2,418 | £694 | £694 | £3,112 |
Where Ecoalex Ltd is registered
The registered office is in London (N3), in the Barnet local authority area, London. Show N3 1QF on a map.
Other trade companies in N3
- Key & Keep LtdCleaning companies
- GMS Residential LimitedPlumbers and heating engineers
- Gcap East LtdProperty developers
- Tatras Development LimitedProperty developers
- Chesterfield Corinne LtdProperty developers
- Pure Plumbing Pros LimitedPlumbers and heating engineers
- WS Cleaning Services LtdCleaning companies
- Landfall Projects LimitedProperty developers
Also registered at this address
9 other companies use the same registered office as Ecoalex Ltd.
- Baridi Services LimitedMachinery repair and installation
- Cedar Trellis LimitedLandscapers and gardeners
- Crestpearl LimitedProperty developers
- Established 82 LtdBuilders
- House Extension Company London LimitedSpecialist contractors
- Imogen Planner Architects LimitedProperty developers
- Landfall Projects LimitedProperty developers
- Loft Conversion Company London LimitedBuilders
- Wilson Lloyd Landscaping LimitedLandscapers and gardeners
What happens if Ecoalex 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 07682736
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 June 2011 (15 years ago)
- Registered office
- 3RD Floor, Hathaway House, Popes Drive, London, N3 1QF
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 4 July 2026
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.
- Ecogen Energy Group Ltd2024
- Ecombuild Construction Ltd2025
- Economic Construction Ltd2019
- Ecopower Zone Limited2024
- Ecovia Build Limited2016
- Ecp Partnership Ltd2016
- Ed Properties Consultancy Limited2025
- Eden Brothers Homes Limited2022
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Ecoalex Ltd's accounts due?
Ecoalex Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Ecoalex Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Ecoalex Ltd still trading?
Ecoalex 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 Ecoalex Ltd do?
Ecoalex Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Ecoalex Ltd?
Ecoalex Ltd was incorporated on 27 June 2011, 15 years ago.
What is the penalty if Ecoalex 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 Ecoalex 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.