- Companies
- Plumbers and heating engineers
- London
- Airtemps Limited
Airtemps Limited
- Company number
- 11027335
- Incorporated
- 23 Oct 20178 years trading
- Registered office
- 141 Stag Lane, London, NW9 0QS
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing
Airtemps Limited is a 8-year-old private limited company registered in London, company number 11027335, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 28 June 2027, and the CT600 for the period to 28 September 2026 is due at HMRC on 28 September 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 £28K (-91.1%) on the year before, to £2,706.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £15K against £15K owed within a year: 1.0 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 9 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £2,706 | £15K | £15K | 2 | |
| 30 Sep 2024 | £30K | £121K | £46K | 1 | |
| 29 Sep 2024 | £30K | £121K | £46K | 1 | |
| 30 Oct 2023 | -£13K | £38K | £73K | 1 | |
| 30 Oct 2022 | -£34K | -£4,031 | £13K | 1 | |
| 30 Oct 2021 | £12K | £1,837 | £2,056 | 3 | |
| 30 Oct 2020 | £11K | £1,647 | £6,657 | 1 | |
| 31 Oct 2019 | £790 | £3,107 | £4,837 | 1 | |
| 31 Oct 2018 | £751 | £1,573 | £5,684 |
Where Airtemps Limited is registered
The registered office is in London (NW9), in the Brent local authority area, London. Show NW9 0QS on a map.
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- GM Scaffolding London LtdScaffolders
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What happens if Airtemps 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 28 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Jun 2027 to 28 Jul 2027 | £150 |
| 1 to 3 months late | 29 Jul 2027 to 28 Sep 2027 | £375 |
| 3 to 6 months late | 29 Sep 2027 to 28 Dec 2027 | £750 |
| More than 6 months late | From 29 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Sep 2027 | £200 |
| 3 months late | 28 Dec 2027 | another £200 |
| 6 months late | 28 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Sep 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
- 11027335
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 October 2017 (8 years ago)
- Registered office
- 141 Stag Lane, London, NW9 0QS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 28 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 22 October 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 London
Other active plumbing and heating companies registered in London.
- Airtrend Limited1997
- Airwave Mechanical Solutions Ltd2025
- Aj Patrick Gas Engineer and Plumbing Ltd2020
- Aj Plumbing and Property Service Ltd2022
- Ajarich Group Ltd2026
- Ajax Heating Ltd2026
- Ak Gas Plumbing & Heating Ltd2019
- Akdemir Limited2021
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Airtemps Limited's accounts due?
Airtemps Limited's next accounts are due at Companies House by 28 June 2027 (in 258 days), covering the period to 28 September 2026.
When is Airtemps Limited's CT600 due?
The CT600 for the period to 28 September 2026 is due at HMRC by 28 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 June 2027.
Is Airtemps Limited still trading?
Airtemps 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 Airtemps Limited do?
Airtemps Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is Airtemps Limited?
Airtemps Limited was incorporated on 23 October 2017, 8 years ago.
What is the penalty if Airtemps 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 Airtemps 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.