- Companies
- Plumbers and heating engineers
- Southampton
- GHP South Ltd
GHP South Ltd
- Company number
- 11124140
- Incorporated
- 22 Dec 20178 years trading
- Registered office
- 21 Caxton Avenue, Southampton, SO19 5LJ
- Nature of business
- Plumbing, heat and air-conditioning installation
GHP South Ltd is a 8-year-old private limited company registered in Southampton, company number 11124140, one of 246 plumbing and heating companies in Southampton. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £59K (+89.7%) on the year before, to £124K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £150K against £34K owed within a year: 4.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £124K | £43K | £150K | £34K | 0 |
| 30 Jun 2024 | £66K | £33K | £103K | £48K | 7 |
| 30 Jun 2023 | -£18K | £778 | £63K | £96K | 7 |
| 30 Jun 2022 | -£37K | £19 | £90K | £126K | 6 |
| 30 Jun 2021 | -£38K | £19 | £77K | £98K | 8 |
| 30 Jun 2020 | £12 | £46K | £123K | £102K | 8 |
| 30 Jun 2019 | £37K | £13K | £98K | £113K | 10 |
| 31 May 2018 | £100 | £1 |
Where GHP South Ltd is registered
The registered office is in Southampton (SO19), in the Southampton local authority area, South East. Show SO19 5LJ on a map.
Other trade companies in SO19
- 4LK Cleaning Company LtdCleaning companies
- Nest Path Properties LimitedBuilders
- Dautaj Groundworks LtdBuilders
- Craftline Carpentry Services LtdJoiners and carpenters
- Agape-Wise LimitedCleaning companies
- Cool Enterprises LtdPlumbers and heating engineers
- Jmac Carpentry & Building LtdPlasterers
- Auto Motive Dismantling - Amd LtdMotor traders
What happens if GHP South 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 11124140
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 December 2017 (8 years ago)
- Registered office
- 21 Caxton Avenue, Southampton, SO19 5LJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 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.
- GLC Plumbing & Heating Ltd2012
- Gosouth Gas Ltd2013
- GW Gas Ltd2015
- H2O Renewable Energy Ltd2020
- Hamps Plumbing & Heating Limited2023
- Hampshire Heat Solutions Ltd2026
- Hampshire Heating and Cooling Ltd2026
- Hampshire Home Plumbing Ltd2025
All plumbing and heating companies in Southampton · All trades in Southampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are GHP South Ltd's accounts due?
GHP South Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is GHP South Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is GHP South Ltd still trading?
GHP South 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 GHP South Ltd do?
GHP South Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is GHP South Ltd?
GHP South Ltd was incorporated on 22 December 2017, 8 years ago.
What is the penalty if GHP South 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 GHP South 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.