- Companies
- Plumbers and heating engineers
- Portsmouth
- Major Cooling Ltd
Major Cooling Ltd
- Company number
- 16633679
- Incorporated
- 6 Aug 20251 year trading
- Registered office
- 32 Foxley Drive, Portsmouth, PO3 5TG
- Nature of business
- Plumbing, heat and air-conditioning installation
Major Cooling Ltd is a 1-year-old private limited company registered in Portsmouth, company number 16633679, one of 141 plumbing and heating companies in Portsmouth. Its next accounts are due at Companies House on 31 May 2028, and the CT600 for the period to 31 August 2027 is due at HMRC on 31 August 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 August 2026, as filed at Companies House.
Where Major Cooling Ltd is registered
The registered office is in Portsmouth (PO3), in the Portsmouth local authority area, South East. Show PO3 5TG on a map.
Other trade companies in PO3
- GJM Construction LtdBuilders
- Al Fajar Building LimitedFinishing trades
- New Milton Decor LtdPainters and decorators
- Portsmouth Autos LtdMechanics and garages
- Henley Roofing Group LimitedInstallers
- I’M Covered 365 Ac LtdPlumbers and heating engineers
- Scope Bodyshop LtdMechanics and garages
- GP Technical LtdSpecialist contractors
What happens if Major Cooling 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 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2028 to 30 Jun 2028 | £150 |
| 1 to 3 months late | 1 Jul 2028 to 31 Aug 2028 | £375 |
| 3 to 6 months late | 1 Sep 2028 to 30 Nov 2028 | £750 |
| More than 6 months late | From 1 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | 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
- 16633679
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 August 2025 (1 year ago)
- Registered office
- 32 Foxley Drive, Portsmouth, PO3 5TG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2026
- Last confirmation statement
- 5 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 Portsmouth
Other active plumbing and heating companies registered in Portsmouth.
- Mark Howe Plumbing & Heating Limited1998
- Mark Kennett Plumbing & Heating Ltd2012
- MG Heating (Southern) Limited2013
- Newway Mechanical Ltd2020
- Ocean Gas Ltd2010
- Ogr Properties Limited2022
- Omni Heating Limited2023
- Onepipe Plumbing Ltd2016
All plumbing and heating companies in Portsmouth · All trades in Portsmouth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Major Cooling Ltd's accounts due?
Major Cooling Ltd's next accounts are due at Companies House by 31 May 2028 (in 597 days), covering the period to 31 August 2027.
When is Major Cooling Ltd's CT600 due?
The CT600 for the period to 31 August 2027 is due at HMRC by 31 August 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2028.
Is Major Cooling Ltd still trading?
Major Cooling Ltd 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 Major Cooling Ltd do?
Major Cooling Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Major Cooling Ltd?
Major Cooling Ltd was incorporated on 6 August 2025, 1 year ago.
What is the penalty if Major Cooling 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 Major Cooling Ltd 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.