- Companies
- Installers
- Chelmsford
- Cmventilation Services Ltd
Cmventilation Services Ltd
- Company number
- 16053866
- Incorporated
- 31 Oct 20241 year trading
- Registered office
- 20 Meriadoc Drive, South Woodham Ferrers, Chelmsford, CM3 5UX
- Nature of business
- Other construction installation
Cmventilation Services Ltd is a 1-year-old private limited company registered in Chelmsford, company number 16053866, one of 89 installation companies (insulation, lifts, shutters and similar) in Chelmsford. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 31 October 2025, as filed at Companies House.
Who runs and owns Cmventilation Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** D*** | Director | Oct 2024 |
Person with significant control
Where Cmventilation Services Ltd is registered
The registered office is in Chelmsford (CM3), in the Chelmsford local authority area, East of England. Show CM3 5UX on a map.
Other trade companies in CM3
- CLS Groundworks LtdBuilders
- Proglaze Window & Door Fitters LtdGlaziers
- Wrenford Holdings LtdProperty developers
- Pinnacle Performance and Prestige LimitedMotor traders
- Corevent Fire Safety LtdElectricians
- Eaton Home Improvements and Development LtdSpecialist contractors
- Saunders Electrical LtdElectricians
- Ashcroft Vehicles LtdMotor traders
What happens if Cmventilation Services 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16053866
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 October 2024 (1 year ago)
- Registered office
- 20 Meriadoc Drive, South Woodham Ferrers, Chelmsford, CM3 5UX
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 30 October 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 in Chelmsford
Other active installation companies (insulation, lifts, shutters and similar) registered in Chelmsford.
- Colipa Ltd2023
- CT Solar Ltd2025
- Dadens Plumbing and Heating Limited2014
- Eastern Fabrications Building Services Limited1998
- Eebs Premium Ltd2026
- Ellgasandheatingltd Ltd2024
- Essex Bi Fold Door Company Ltd2015
- Essex Blinds Ltd2018
All installation companies (insulation, lifts, shutters and similar) in Chelmsford · All trades in Chelmsford · Installers across the UK
Frequently asked questions
When are Cmventilation Services Ltd's accounts due?
Cmventilation Services Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Cmventilation Services Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Cmventilation Services Ltd still trading?
Cmventilation Services 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 Cmventilation Services Ltd do?
Cmventilation Services Ltd is registered under Other construction installation (SIC 43290).
How old is Cmventilation Services Ltd?
Cmventilation Services Ltd was incorporated on 31 October 2024, 1 year ago.
Who runs Cmventilation Services Ltd?
Cmventilation Services Ltd has 1 active director, the longest-serving appointed in Oct 2024. Their names and service addresses are on the Companies House register.
Who owns Cmventilation Services Ltd?
One person or company has significant control of Cmventilation Services Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Cmventilation Services 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 Cmventilation Services 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.