- Companies
- Plumbers and heating engineers
- London
- Aircongasplumbing Limited
Aircongasplumbing Limited
- Company number
- 09743019
- Incorporated
- 21 Aug 201511 years trading
- Registered office
- 95 Mortimer Street, London, W1W 7GB
- Nature of business
- Plumbing, heat and air-conditioning installation
Aircongasplumbing Limited is a 11-year-old private limited company registered in London, company number 09743019, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £15K (+320.5%) on the year before, to £20K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- 2 employees on average, up from 1 the year before.
- 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 Aug 2025 | £20K | £18K | £8,237 | 2 | |
| 31 Aug 2024 | £4,716 | £7,755 | £8,990 | 1 | |
| 31 Aug 2023 | -£9,532 | £1,922 | £17K | 1 | |
| 31 Aug 2022 | -£4,137 | £2,558 | £13K | 1 | |
| 31 Aug 2021 | £283 | £2,056 | £7,724 | 1 | |
| 31 Aug 2020 | £4,802 | £4,420 | £4,420 | £5,569 | 1 |
| 31 Aug 2019 | £3,120 | £15K | £20K | £17K | 0 |
| 31 Aug 2018 | £1,481 | £28K | £26K | ||
| 31 Aug 2017 | £100 | £100 | |||
| 31 Aug 2016 | £100 | £100 |
Where Aircongasplumbing Limited is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 7GB on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Also registered at this address
4 other companies use the same registered office as Aircongasplumbing Limited.
- Amanos Pack LtdMotor traders
- Huxley Construction LimitedProperty developers
- JD Cleaning LtdCleaning companies
- Redline Building Services LimitedBuilders
What happens if Aircongasplumbing 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 09743019
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2015 (11 years ago)
- Registered office
- 95 Mortimer Street, London, W1W 7GB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 20 August 2026
- Previous names
- Adroit Plumbing & Heating Limited (until 7 Sep 2017)
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.
- Aircopro Ltd2025
- Airfyt Ltd2026
- Airhaven Ltd2018
- Airnat Limited2020
- Airsource Climate Control Limited2008
- Airtec Duct Ltd2024
- Airtemps Limited2017
- Airtrend Limited1997
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Aircongasplumbing Limited's accounts due?
Aircongasplumbing Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Aircongasplumbing Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Aircongasplumbing Limited still trading?
Aircongasplumbing 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 Aircongasplumbing Limited do?
Aircongasplumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Aircongasplumbing Limited?
Aircongasplumbing Limited was incorporated on 21 August 2015, 11 years ago.
What is the penalty if Aircongasplumbing 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 Aircongasplumbing 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.