- Companies
- Plumbers and heating engineers
- Southampton
- S & J Heating & Cooling Ltd
S & J Heating & Cooling Ltd
- Company number
- 17324069
- Incorporated
- 6 Jul 2026
- Registered office
- 228 Cranbourne Park, Hedge End, Southampton, SO30 0PA
- Nature of business
- Plumbing, heat and air-conditioning installation
S & J Heating & Cooling Ltd is a newly incorporated private limited company registered in Southampton, company number 17324069, one of 246 plumbing and heating companies in Southampton. Its next accounts are due at Companies House on 6 April 2028, and its first CT600 is due at HMRC on 5 July 2028.
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 S & J Heating & Cooling Ltd is registered
The registered office is in Southampton (SO30), in the Eastleigh local authority area, South East. Show SO30 0PA on a map.
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What happens if S & J Heating & 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 6 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Apr 2028 to 6 May 2028 | £150 |
| 1 to 3 months late | 7 May 2028 to 6 Jul 2028 | £375 |
| 3 to 6 months late | 7 Jul 2028 to 6 Oct 2028 | £750 |
| More than 6 months late | From 7 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17324069
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 July 2026
- Registered office
- 228 Cranbourne Park, Hedge End, Southampton, SO30 0PA
- 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 Southampton
Other active plumbing and heating companies registered in Southampton.
- S. Philps Gas Services Ltd2003
- S.N.G. Mechanical Limited2006
- Safety Gas Ltd2014
- SCS Dorset Limited2019
- Service and Maintenance Ltd2022
- Service Heating and Bathrooms Ltd2018
- SHR Trading Ltd2025
- Simon Griffiths Plumbing and Heating Limited2025
All plumbing and heating companies in Southampton · All trades in Southampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are S & J Heating & Cooling Ltd's accounts due?
S & J Heating & Cooling Ltd's next accounts are due at Companies House by 6 April 2028 (in 541 days), covering the period to 31 July 2027.
When is S & J Heating & Cooling 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 5 July 2027, due by 5 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is S & J Heating & Cooling Ltd still trading?
S & J Heating & 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 S & J Heating & Cooling Ltd do?
S & J Heating & Cooling Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is S & J Heating & Cooling Ltd?
S & J Heating & Cooling Ltd was incorporated on 6 July 2026, less than a year ago.
What is the penalty if S & J Heating & 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 S & J Heating & 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.