- Company number
- 11393728
- Incorporated
- 1 Jun 20188 years trading
- Registered office
- Unit A6, Sturmer Road Industrial Estate, Haverhill, CB9 7UU
- Nature of business
- Construction of domestic buildings
Advanced Eco Ltd is a 8-year-old private limited company registered in Haverhill, company number 11393728, one of 36 building contractors in Haverhill. 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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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 £353K (+123.5%) on the year before, to £639K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £1M against £554K owed within a year: 1.8 times cover.
- 29 employees on average, up from 21 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £639K | £37K | £1M | £554K | 29 |
| 31 Mar 2024 | £286K | £95K | £431K | £250K | 21 |
| 31 Mar 2023 | £231K | £66K | £328K | £127K | 9 |
| 31 Mar 2022 | £185K | £141K | £63K | 8 | |
| 31 Mar 2021 | £198K | £240K | £67K | 8 | |
| 30 Jun 2020 | £37K | £28K | £13K | 8 | |
| 30 Jun 2019 | £531 | £8,795 | £8,264 |
Where Advanced Eco Ltd is registered
The registered office is in Haverhill (CB9), in the West Suffolk local authority area, East of England. Show CB9 7UU on a map.
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What happens if Advanced Eco 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
- 11393728
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 June 2018 (8 years ago)
- Registered office
- Unit A6, Sturmer Road Industrial Estate, Haverhill, CB9 7UU
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 29 July 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Haverhill
Other active building contractors registered in Haverhill.
- Ajb Property Investments Ltd2023
- Allsopp Builderlife Ltd2026
- Argent Country Homes Limited1986
- Atm Steel Limited2018
- Atm UK Construction Ltd2011
- Bella HR Solutions Ltd2020
- Budo Construction Group Ltd2026
- Bul Interiors Ltd2018
All building contractors in Haverhill · All trades in Haverhill · Builders across the UK
Frequently asked questions
When are Advanced Eco Ltd's accounts due?
Advanced Eco 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 Advanced Eco 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 Advanced Eco Ltd still trading?
Advanced Eco 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 Advanced Eco Ltd do?
Advanced Eco Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Advanced Eco Ltd?
Advanced Eco Ltd was incorporated on 1 June 2018, 8 years ago.
What is the penalty if Advanced Eco 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 Advanced Eco 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.