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- Airvent Technical Systems Ltd
Company profile · Property developers
Airvent Technical Systems Ltd
Airvent Technical Systems Ltd is a 4-year-old private limited company registered in Covent Garden, company number 14200843, one of 941 property development companies in Covent Garden. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 June 2025, as filed at Companies House.
Airvent Technical Systems Ltd over the years
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 £31K on the year before, to £31K.
- Current assets of £46K against £16K owed within a year: 2.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £31K | £46K | £16K | 1 | |
| 30 Jun 2024 | £658 | £1,980 | £2,222 | 1 | |
| 30 Jun 2023 | -£1,344 | £620 | £1,964 | 1 |
Where Airvent Technical Systems Ltd is registered
The registered office is in Covent Garden (WC2H), in the Camden local authority area, London. Show WC2H 9JQ on a map.
Other trade companies in WC2H
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- Sal Cleaning LtdCleaning companies
- Cityshine Facilities Services LtdCleaning companies
- Pureoceanscleaning LtdCleaning companies
- Muca Property Group LimitedProperty developers
- E.L.G.G LtdJoiners and carpenters
- First Ascentia Integrated LtdCleaning companies
- Fixing London LtdSpecialist contractors
Shared registered office
4,529 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 Airvent Technical 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14200843
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 June 2022 (4 years ago)
- Registered office
- 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
- Nature of business
- Development of building projects (SIC 41100)
Electrical installation (SIC 43210)
Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 25 June 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Covent Garden
Other active property development companies registered in Covent Garden.
- Ajr Home Improvements Ltd2025
- Ajs Developments (Thames Valley) Limited2024
- Alchemy Services and Media Limited2020
- Aldoryan Developments Ltd2026
- Alfred Engineering Ltd2024
- Alka Engineering & Construction Ltd2022
- All Site Solutions Ltd2025
- All-In-One UK Development Ltd2019
All property development companies in Covent Garden · All trades in Covent Garden · Property developers across the UK
Frequently asked questions
When are Airvent Technical Systems Ltd's accounts due?
Airvent Technical Systems Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Airvent Technical Systems Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Airvent Technical Systems Ltd still trading?
Airvent Technical Systems 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 Airvent Technical Systems Ltd do?
Airvent Technical Systems Ltd is registered under Development of building projects (SIC 41100); Electrical installation (SIC 43210); Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).
How old is Airvent Technical Systems Ltd?
Airvent Technical Systems Ltd was incorporated on 28 June 2022, 4 years ago.
What is the penalty if Airvent Technical 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 Airvent Technical Systems 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.