- Companies
- Plumbers and heating engineers
- Southampton
- Southern Bathroom Installations Ltd
Southern Bathroom Installations Ltd
- Company number
- 15289324
- Incorporated
- 16 Nov 20232 years trading
- Registered office
- 30 Church Road, Warsash, Southampton, Hampshire, SO31 9GD
- Nature of business
- Plumbing, heat and air-conditioning installation
Southern Bathroom Installations Ltd is a 2-year-old private limited company registered in Southampton, company number 15289324, one of 246 plumbing and heating companies in Southampton. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 up £24K (+337.4%) on the year before, to £31K.
- Current assets of £42K against £16K owed within a year: 2.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £31K | £42K | £16K | 1 | |
| 30 Nov 2024 | £7,018 | £11K | £4,495 | 1 |
Where Southern Bathroom Installations Ltd is registered
The registered office is in Southampton (SO31), in the Fareham local authority area, South East. Show SO31 9GD on a map.
Other trade companies in SO31
- MNC Cleaning LtdCleaning companies
- Mars Eng. LtdMachinery repair and installation
- Amc Plumbing and Heating LtdPlumbers and heating engineers
- Pride & Bloom LtdLandscapers and gardeners
- Hampshire Heating and Cooling LtdPlumbers and heating engineers
- Kelpie Landscape & Build LtdFinishing trades
- FSC Facilities Services LtdInstallers
- Fitton & Redding Services LimitedMechanics and garages
What happens if Southern Bathroom Installations 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 15289324
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 November 2023 (2 years ago)
- Registered office
- 30 Church Road, Warsash, Southampton, Hampshire, SO31 9GD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 6 November 2025
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.
- Southern Heat Solutions Ltd2016
- Southern Property Maintenance Ltd2020
- Southern Wetrooms Ltd2020
- SPB Plumbing Ltd2026
- SPT Plumbing & Heating Limited2017
- SSB Gas Limited2025
- Steve Martin Gas Boiler Specialist Ltd2025
- Synergy Plumbing, Heating & Renewables Ltd2021
All plumbing and heating companies in Southampton · All trades in Southampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Southern Bathroom Installations Ltd's accounts due?
Southern Bathroom Installations Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Southern Bathroom Installations Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Southern Bathroom Installations Ltd still trading?
Southern Bathroom Installations 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 Southern Bathroom Installations Ltd do?
Southern Bathroom Installations Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Southern Bathroom Installations Ltd?
Southern Bathroom Installations Ltd was incorporated on 16 November 2023, 2 years ago.
What is the penalty if Southern Bathroom Installations 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 Southern Bathroom Installations 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.