- Companies
- Installers
- Plymouth
- Air Vent Services Ltd
Air Vent Services Ltd
- Company number
- 11362290
- Incorporated
- 15 May 20188 years trading
- Registered office
- Unit 2 Cadleigh Close, Lee Mill Industrial Estate, Plymouth, Devon, PL21 9GB
- Nature of business
- Other construction installation
Air Vent Services Ltd is a 8-year-old private limited company registered in Plymouth, company number 11362290, one of 54 installation companies (insulation, lifts, shutters and similar) in Plymouth. 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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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 £174K (+22.7%) on the year before, to £938K.
- Net assets rose in 7 of 7 year-on-year comparisons on record.
- 11 employees on average, up from 10 the year before.
- Balance sheets on record for 8 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £938K | £650K | £331K | 11 | |
| 30 Nov 2024 | £764K | £413K | £837K | £203K | 10 |
| 30 Nov 2023 | £675K | £472K | £791K | £198K | 10 |
| 30 Nov 2022 | £577K | £390K | £682K | £168K | 7 |
| 30 Nov 2021 | £504K | £331K | £694K | £197K | 3 |
| 30 Nov 2020 | £258K | £240K | £505K | £214K | 2 |
| 31 May 2020 | £226K | £230K | £450K | £181K | 2 |
| 31 May 2019 | £62K | £46K | £155K | £94K | 1 |
Where Air Vent Services Ltd is registered
The registered office is in Plymouth (PL21), in the South Hams local authority area, South West. Show PL21 9GB on a map.
Other trade companies in PL21
- MPS Property Developments SW LimitedMachinery repair and installation
- Vertex Climate LtdPlumbers and heating engineers
- Elmwood House Construction LtdBuilders
- HBF Power Solutions LtdCivil engineering
- MPGS Landscaping LimitedLandscapers and gardeners
- South Hams Bathroom Installations LimitedPlumbers and heating engineers
- Kearleys Plastering & Rendering LtdPlasterers
- Plymouth Catering Engineer LimitedMachinery repair and installation
What happens if Air Vent 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 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
- 11362290
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 2018 (8 years ago)
- Registered office
- Unit 2 Cadleigh Close, Lee Mill Industrial Estate, Plymouth, Devon, PL21 9GB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 29 January 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Plymouth
Other active installation companies (insulation, lifts, shutters and similar) registered in Plymouth.
- All Access Automation Ltd2024
- Bailey Partnership (Solutions) Ltd2025
- BDM Fenestrations Ltd2025
- Better Insulation Solutions Limited2024
- Broadoak Construction (Devon) Limited2008
- C.A.M Drylining Ltd2025
- Cdi Waterproofing Services Ltd2021
- Cornflower Kitchens & Bathrooms Limited2024
All installation companies (insulation, lifts, shutters and similar) in Plymouth · All trades in Plymouth · Installers across the UK
Frequently asked questions
When are Air Vent Services Ltd's accounts due?
Air Vent Services Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Air Vent Services 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 Air Vent Services Ltd still trading?
Air Vent 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 Air Vent Services Ltd do?
Air Vent Services Ltd is registered under Other construction installation (SIC 43290).
How old is Air Vent Services Ltd?
Air Vent Services Ltd was incorporated on 15 May 2018, 8 years ago.
What is the penalty if Air Vent 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 Air Vent 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.