- Companies
- Plumbers and heating engineers
- Grimsby
- J Southern Plumbing & Heating Limited
J Southern Plumbing & Heating Limited
- Company number
- 17260514
- Incorporated
- 4 Jun 2026
- Registered office
- C/O Stem Accountants Limited, Office 1, the Hive, ST. James Square, Grimsby, North East Lincolnshire, DN31 1EP
- Nature of business
- Plumbing, heat and air-conditioning installation
J Southern Plumbing & Heating Limited is a newly incorporated private limited company registered in Grimsby, company number 17260514, one of 83 plumbing and heating companies in Grimsby. Its next accounts are due at Companies House on 4 March 2028, and its first CT600 is due at HMRC on 3 June 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.
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Where J Southern Plumbing & Heating Limited is registered
The registered office is in Grimsby (DN31), in the North East Lincolnshire local authority area, Yorkshire and The Humber. Show DN31 1EP on a map.
Other trade companies in DN31
- Mybel H&S LimitedSpecialist contractors
- Lincolnshire Forest Services LtdLandscapers and gardeners
- Clearview Vision Consulting LimitedCivil engineering
- GCGH Electrical & Construction Solutions LimitedElectricians
- Grimsby Auto Salvage Co LtdMotor traders
- JMC Construction Services LimitedCivil engineering
- Hicks Automotive LimitedMechanics and garages
- Rutherford Landscaping and Supplies LimitedLandscapers and gardeners
Shared registered office
32 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if J Southern Plumbing & Heating 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 4 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Mar 2028 to 4 Apr 2028 | £150 |
| 1 to 3 months late | 5 Apr 2028 to 4 Jun 2028 | £375 |
| 3 to 6 months late | 5 Jun 2028 to 4 Sep 2028 | £750 |
| More than 6 months late | From 5 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17260514
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 June 2026
- Registered office
- C/O Stem Accountants Limited, Office 1, the Hive, ST. James Square, Grimsby, North East Lincolnshire, DN31 1EP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (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 Grimsby
Other active plumbing and heating companies registered in Grimsby.
- J2 Plumbing and Heating Ltd2021
- James Gibbons Plumbing & Heating Limited2019
- James Gray Home Improvements Limited2005
- JM Heating Ltd2023
- JPL Plumbing & Heating Ltd2013
- JPW Commercial Plumbing & Gas Ltd2024
- KPS Plumbing & Heating Ltd2019
- L Reeve Plumbing Limited2019
All plumbing and heating companies in Grimsby · All trades in Grimsby · Plumbers and heating engineers across the UK
Frequently asked questions
When are J Southern Plumbing & Heating Limited's accounts due?
J Southern Plumbing & Heating Limited's next accounts are due at Companies House by 4 March 2028 (in 508 days), covering the period to 30 June 2027.
When is J Southern Plumbing & Heating Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 June 2027, due by 3 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is J Southern Plumbing & Heating Limited still trading?
J Southern Plumbing & Heating 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 J Southern Plumbing & Heating Limited do?
J Southern Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is J Southern Plumbing & Heating Limited?
J Southern Plumbing & Heating Limited was incorporated on 4 June 2026, less than a year ago.
What is the penalty if J Southern Plumbing & Heating 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 J Southern Plumbing & Heating 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.