- Companies
- Installers
- Ecovent Systems Ltd
Ecovent Systems Ltd
- Company number
- 15938617
- Incorporated
- 5 Sep 20242 years trading
- Registered office
- Harscombe House, 1 Darklake View, Estover, Plymouth, PL6 7TL
- Nature of business
- Other construction installation
Ecovent Systems Ltd is a 2-year-old private limited company registered in Estover, company number 15938617, one of the UK's installation companies (insulation, lifts, shutters and similar). Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Ecovent Systems Ltd is registered
The registered office is in Estover (PL6), in the Plymouth local authority area, South West. Show PL6 7TL on a map.
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Shared registered office
38 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 Ecovent Systems 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 15938617
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 September 2024 (2 years ago)
- Registered office
- Harscombe House, 1 Darklake View, Estover, Plymouth, PL6 7TL
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 4 September 2025
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
Other active installation companies (insulation, lifts, shutters and similar).
Frequently asked questions
When are Ecovent Systems Ltd's accounts due?
Ecovent Systems Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Ecovent Systems Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Ecovent Systems Ltd still trading?
Ecovent Systems Ltd is listed as active on the Companies House register (checked 12 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 Ecovent Systems Ltd do?
Ecovent Systems Ltd is registered under Other construction installation (SIC 43290).
How old is Ecovent Systems Ltd?
Ecovent Systems Ltd was incorporated on 5 September 2024, 2 years ago.
What is the penalty if Ecovent Systems 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 Ecovent Systems Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.