- Companies
- Civil engineering
- Enfield
- Eco Building Limited
Eco Building Limited
- Company number
- 05476606
- Incorporated
- 9 Jun 200521 years trading
- Registered office
- 146 Elsinge Road, Enfield, London, EN1 4NX
- Nature of business
- Construction of other civil engineering projects n.e.c.
Eco Building Limited is a 21-year-old private limited company registered in Enfield, company number 05476606, one of 56 civil engineering contractors in Enfield. 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 up £3,408 (+15%) on the year before, to £26K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £61K against £68K owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- 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 | £26K | £61K | £68K | 1 | |
| 30 Jun 2024 | £23K | £44K | £59K | 1 | |
| 30 Jun 2023 | £22K | £38K | £39K | 1 | |
| 30 Jun 2022 | £20K | £27K | £34K | 1 | |
| 30 Jun 2021 | £16K | £37K | £31K | 1 | |
| 30 Jun 2020 | £14K | £14K | £14K | 0 | |
| 30 Jun 2019 | £9,704 | £9,704 | £9,704 | ||
| 30 Jun 2018 | £6,617 | £6,617 | £6,617 | ||
| 30 Jun 2017 | £4,476 | £4,476 | £4,476 | ||
| 30 Jun 2016 | £1,732 | £1,732 | £1,732 |
Where Eco Building Limited is registered
The registered office is in Enfield (EN1), in the Enfield local authority area, London. Show EN1 4NX on a map.
Other trade companies in EN1
- Clearcares Shine LimitedCleaning companies
- Murat Plumber LtdPlumbers and heating engineers
- Vyrolls LimitedMechanics and garages
- Ssa Plumbing & Heating LimitedPlumbers and heating engineers
- DJV Electrical Contractors LtdElectricians
- Computer Krayzee LtdRepair services
- Yxl Construction LtdBuilders
- Motofix Centre LtdMechanics and garages
What happens if Eco Building 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 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
- 05476606
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 June 2005 (21 years ago)
- Registered office
- 146 Elsinge Road, Enfield, London, EN1 4NX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 4 June 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Enfield
Other active civil engineering contractors registered in Enfield.
- Electron Engineering Ltd2020
- Ewango TM Ltd2022
- Ford & Co Consulting Limited2022
- Fta Studio Limited2021
- G & T Richards Consultancy Limited2015
- Gabciana Limited2016
- Glenna Limited2004
- H D Roofing & Building Solutions Ltd2021
All civil engineering contractors in Enfield · All trades in Enfield · Civil engineering across the UK
Frequently asked questions
When are Eco Building Limited's accounts due?
Eco Building Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Eco Building Limited'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 Eco Building Limited still trading?
Eco Building 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 Eco Building Limited do?
Eco Building Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Eco Building Limited?
Eco Building Limited was incorporated on 9 June 2005, 21 years ago.
What is the penalty if Eco Building 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 Eco Building 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.