- Companies
- Electricians
- Great Chesterford
- Air Technical Services Limited
Air Technical Services Limited
- Company number
- 04374520
- Incorporated
- 15 Feb 200224 years trading
- Registered office
- Lewis House, Great Chesterford Court, Great Chesterford, Essex, CB10 1PF
- Nature of business
- Electrical installation
Air Technical Services Limited is a 24-year-old private limited company registered in Great Chesterford, company number 04374520, one of the UK's electrical contractors. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 down £6,242 (-39.9%) on the year before, to £9,389.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £127K against £124K owed within a year: 1.0 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £9,389 | £33K | £127K | £124K | 3 |
| 31 Mar 2024 | £16K | £105K | £193K | £186K | 3 |
| 31 Mar 2023 | £15K | £75K | £173K | £173K | 3 |
| 31 Mar 2022 | £1,233 | £46K | £123K | £142K | 3 |
| 31 Mar 2021 | £8,488 | £24K | £136K | £114K | 3 |
| 31 Mar 2020 | £93K | £126K | £246K | £145K | 3 |
| 31 Mar 2019 | £57K | £142K | £194K | £114K | 3 |
| 31 Mar 2018 | £26K | £23K | £142K | £83K | 4 |
| 31 Mar 2017 | -£32K | £6,653 | £41K | £27K | 4 |
| 31 Mar 2016 | £36K | £584 | £182K | £86K |
Where Air Technical Services Limited is registered
The registered office is in Great Chesterford (CB10), in the Uttlesford local authority area, East of England. Show CB10 1PF on a map.
Other trade companies in CB10
- 1841 Properties LimitedProperty developers
- Bovingdons Developments LtdProperty developers
- JDSW Construction Services LtdBuilders
- Foresite Fencing LtdInstallers
- Greenfield 1 LimitedProperty developers
- Greenfield 2 LimitedProperty developers
- Jet Developments Essex LimitedProperty developers
- CC Arch Scaffolding LtdScaffolders
Shared registered office
55 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 Air Technical Services Limited 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
- 04374520
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 February 2002 (24 years ago)
- Registered office
- Lewis House, Great Chesterford Court, Great Chesterford, Essex, CB10 1PF
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 15 February 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Great Chesterford
Other active electrical contractors registered in Great Chesterford.
All electrical contractors in Great Chesterford · All trades in Great Chesterford · Electricians across the UK
Frequently asked questions
When are Air Technical Services Limited's accounts due?
Air Technical Services Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Air Technical Services Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Air Technical Services Limited still trading?
Air Technical Services Limited 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 Technical Services Limited do?
Air Technical Services Limited is registered under Electrical installation (SIC 43210).
How old is Air Technical Services Limited?
Air Technical Services Limited was incorporated on 15 February 2002, 24 years ago.
What is the penalty if Air Technical Services Limited 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 Technical Services Limited 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.