- Companies
- Plumbers and heating engineers
- Coventry
- 21 Airconditioning Ltd
21 Airconditioning Ltd
- Company number
- 14534203
- Incorporated
- 11 Dec 20223 years trading
- Registered office
- 55 Gun Hill, Arley, Coventry, CV7 8HH
- Nature of business
- Plumbing, heat and air-conditioning installation
21 Airconditioning Ltd is a 3-year-old private limited company registered in Coventry, company number 14534203, one of 190 plumbing and heating companies in Coventry. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £3,043 (+88.2%) on the year before, to £6,493.
- Current assets of £4,103 against £3,882 owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £6,493 | £4,103 | £3,882 | 1 | |
| 31 Dec 2023 | £3,450 | £8,242 | £12K | 1 |
Where 21 Airconditioning Ltd is registered
The registered office is in Coventry (CV7), in the North Warwickshire local authority area, West Midlands. Show CV7 8HH on a map.
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- Fairbrother Scaffolding LtdScaffolders
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What happens if 21 Airconditioning 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
- 14534203
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 December 2022 (3 years ago)
- Registered office
- 55 Gun Hill, Arley, Coventry, CV7 8HH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 10 December 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Coventry
Other active plumbing and heating companies registered in Coventry.
- A Grade Plumbing & Heating Ltd2003
- A H Smith Services Ltd2019
- A1 Gas Force Limited2008
- A1 Gas Force Maintenance Ltd2012
- A1 Gas Solutions Limited2011
- Above & Beyond Bathroom Limited2021
- Acpmis Limited2012
- Adam UK Builders Ltd2026
All plumbing and heating companies in Coventry · All trades in Coventry · Plumbers and heating engineers across the UK
Frequently asked questions
When are 21 Airconditioning Ltd's accounts due?
21 Airconditioning Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is 21 Airconditioning Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is 21 Airconditioning Ltd still trading?
21 Airconditioning 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 21 Airconditioning Ltd do?
21 Airconditioning Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is 21 Airconditioning Ltd?
21 Airconditioning Ltd was incorporated on 11 December 2022, 3 years ago.
What is the penalty if 21 Airconditioning 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 21 Airconditioning 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.