- Companies
- Plumbers and heating engineers
- Upminster
- Coolus Air Conditioning Ltd
Coolus Air Conditioning Ltd
- Company number
- 16591785
- Incorporated
- 18 Jul 20251 year trading
- Registered office
- 23 Kings Gardens, Upminster, RM14 1LA
- Nature of business
- Plumbing, heat and air-conditioning installation
Coolus Air Conditioning Ltd is a 1-year-old private limited company registered in Upminster, company number 16591785, one of 28 plumbing and heating companies in Upminster. Its next accounts are due at Companies House on 18 April 2027, and its first CT600 is due at HMRC on 17 July 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Coolus Air Conditioning Ltd is registered
The registered office is in Upminster (RM14), in the Havering local authority area, London. Show RM14 1LA on a map.
Other trade companies in RM14
- Bobofresh LtdCleaning companies
- HTS Construction LtdBuilders
- We Fix Energy LtdCivil engineering
- ZH Services LtdBuilders
- Ragasan LimitedBuilders
- Your Serve LtdCleaning companies
- LC Engineering LtdMachinery repair and installation
- Caat Interiors LtdInstallers
What happens if Coolus 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 18 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Apr 2027 to 18 May 2027 | £150 |
| 1 to 3 months late | 19 May 2027 to 18 Jul 2027 | £375 |
| 3 to 6 months late | 19 Jul 2027 to 18 Oct 2027 | £750 |
| More than 6 months late | From 19 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16591785
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 July 2025 (1 year ago)
- Registered office
- 23 Kings Gardens, Upminster, RM14 1LA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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 Upminster
Other active plumbing and heating companies registered in Upminster.
- Fired Up Engineers Limited2023
- Gis Services Ltd2024
- H Plumbing & Heating Ltd2020
- Hart Homes Design and Build Ltd2022
- Hot & Cold Installations Plumbing and Heating Ltd2025
- JG Services Herts Ltd2014
- KD Scala Ltd2022
- Masons Installations Heating Plumbing Services Limited2016
All plumbing and heating companies in Upminster · All trades in Upminster · Plumbers and heating engineers across the UK
Frequently asked questions
When are Coolus Air Conditioning Ltd's accounts due?
Coolus Air Conditioning Ltd's next accounts are due at Companies House by 18 April 2027 (in 187 days), covering the period to 31 July 2026.
When is Coolus Air Conditioning Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 17 July 2026, due by 17 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Coolus Air Conditioning Ltd still trading?
Coolus 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 Coolus Air Conditioning Ltd do?
Coolus Air Conditioning Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Coolus Air Conditioning Ltd?
Coolus Air Conditioning Ltd was incorporated on 18 July 2025, 1 year ago.
What is the penalty if Coolus 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 Coolus 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.