- Companies
- Plumbers and heating engineers
- Borehamwood
- Cool Gas Air Conditioning Ltd
Cool Gas Air Conditioning Ltd
- Company number
- 12163631
- Incorporated
- 19 Aug 20197 years trading
- Registered office
- 65 Ashdown Drive, Borehamwood, WD6 4NA
- Nature of business
- Plumbing, heat and air-conditioning installation
Cool Gas Air Conditioning Ltd is a 7-year-old private limited company registered in Borehamwood, company number 12163631, one of 33 plumbing and heating companies in Borehamwood. 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 down £42K (-99.7%) on the year before, to £112.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £112 | £25K | £38K | £0 | 2 |
| 31 Aug 2024 | £42K | £15K | £59K | £1,696 | 2 |
| 31 Aug 2023 | £46K | £28K | £81K | £10K | 2 |
| 31 Aug 2022 | £81K | £124K | £12K | 2 | |
| 31 Aug 2021 | £74K | £118K | £20K | 2 | |
| 31 Aug 2020 | £26K | £2,136 | £58K | £2,036 | 2 |
| 31 Aug 2019 | £0 | £0 | £0 | £0 | 0 |
Where Cool Gas Air Conditioning Ltd is registered
The registered office is in Borehamwood (WD6), in the Hertsmere local authority area, East of England. Show WD6 4NA on a map.
Other trade companies in WD6
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- P & P Roofing & Guttering LimitedProperty developers
- Stern Landscaping LtdLandscapers and gardeners
- Complete Paint & Decor LtdPainters and decorators
- 1ST Response Plumbing and Heating LimitedPlumbers and heating engineers
- Ideal Casa Construction LtdInstallers
- Gallop Construction LimitedBuilders
What happens if Cool Gas Air Conditioning 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 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
- 12163631
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 August 2019 (7 years ago)
- Registered office
- 65 Ashdown Drive, Borehamwood, WD6 4NA
- 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
- 18 August 2026
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 Borehamwood
Other active plumbing and heating companies registered in Borehamwood.
- Cool Sky Air Conditioning Ltd2023
- D P Plumbing & Gas Ltd2023
- Danflo Ltd2022
- Everest Air Conditioning Services Ltd2024
- FPF Utilities Limited2012
- Fru Plumbing & Heating Limited2023
- G & S Heating Engineering Limited2014
- Gasco&Built Ltd.2006
All plumbing and heating companies in Borehamwood · All trades in Borehamwood · Plumbers and heating engineers across the UK
Frequently asked questions
When are Cool Gas Air Conditioning Ltd's accounts due?
Cool Gas Air Conditioning Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Cool Gas Air Conditioning Ltd'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 Cool Gas Air Conditioning Ltd still trading?
Cool Gas Air Conditioning Ltd is listed as active on the Companies House register (checked 13 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 Cool Gas Air Conditioning Ltd do?
Cool Gas Air Conditioning Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Cool Gas Air Conditioning Ltd?
Cool Gas Air Conditioning Ltd was incorporated on 19 August 2019, 7 years ago.
What is the penalty if Cool Gas Air Conditioning 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 Cool Gas Air Conditioning Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.