- Companies
- Plumbers and heating engineers
- Southsea
- Commercial Gas Engineers Southern Ltd
Commercial Gas Engineers Southern Ltd
- Company number
- 14094657
- Incorporated
- 9 May 20224 years trading
- Registered office
- 2A Montgomerie Road, Southsea, PO5 1ED
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation
Commercial Gas Engineers Southern Ltd is a 4-year-old private limited company registered in Southsea, company number 14094657, one of 25 plumbing and heating companies in Southsea. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
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 £36K (+95.4%) on the year before, to £73K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £227K against £179K owed within a year: 1.3 times cover.
- 10 employees on average, up from 8 the year before.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £73K | £227K | £179K | 10 | |
| 31 May 2025 | £38K | £105K | £102K | 8 | |
| 31 May 2024 | £36K | £73K | £59K | 4 | |
| 31 May 2023 | £2,794 | £1,738 | 1 |
Public contracts won
Commercial Gas Engineers Southern Ltd has 3 public sector contract awards on record; the ones with their own published value total £93K, from 2025 to 2026. Source: Contracts Finder and Find a Tender award notices. 2 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- NHS Property Services Limited1 award
- NHS Property Services1 award
- NHS Property Services Limited1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| NHS Property Services Limited | Replacement of Calorifier at St Marks Hospital | £26K | 16 Apr 2026 |
| NHS Property Services | Reading Walk in Centre - Replacement of water heater and water system | £32K | 10 Jun 2025 |
| NHS Property Services Limited | King Edward VII Hospital Ewhurst House Boiler Replacements | £35K | 5 Feb 2025 |
Where Commercial Gas Engineers Southern Ltd is registered
The registered office is in Southsea (PO5), in the Portsmouth local authority area, South East. Show PO5 1ED on a map.
Other trade companies in PO5
- Fixnova LtdRepair services
- Luxury Resin Floors and Media Walls LtdBuilders
- Pretty Unique Cleaning Services LtdCleaning companies
- Bay Bricks LtdProperty developers
- Blydan Holdings LimitedProperty developers
- Inside Out Developments Southampton LtdBuilders
- Hampshire Car Hire LtdMechanics and garages
- Baynes Wipers LtdMachinery repair and installation
Also registered at this address
1 other company uses the same registered office as Commercial Gas Engineers Southern Ltd.
- Palmer Flooring Contractors LtdFloor and wall tilers
What happens if Commercial Gas Engineers Southern 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14094657
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 May 2022 (4 years ago)
- Registered office
- 2A Montgomerie Road, Southsea, PO5 1ED
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 13 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 Southsea
Other active plumbing and heating companies registered in Southsea.
- Craneswater Mechanical Services Limited2008
- Davies & Davies Plumbing and Heating Ltd2018
- Gasworks Maintenance Ltd2015
- GDM Plumbing & Heating Services Ltd2020
- Glenn Scholes Plumbing & Heating Ltd2025
- GPR Mechanical Solutions Limited2021
- Heat Co Gas Limited2024
- Heat Co Plumbing & Heating Limited2023
All plumbing and heating companies in Southsea · All trades in Southsea · Plumbers and heating engineers across the UK
Frequently asked questions
When are Commercial Gas Engineers Southern Ltd's accounts due?
Commercial Gas Engineers Southern Ltd's next accounts are due at Companies House by 29 February 2028 (in 503 days), covering the period to 31 May 2027.
When is Commercial Gas Engineers Southern Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Commercial Gas Engineers Southern Ltd still trading?
Commercial Gas Engineers Southern 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 Commercial Gas Engineers Southern Ltd do?
Commercial Gas Engineers Southern Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is Commercial Gas Engineers Southern Ltd?
Commercial Gas Engineers Southern Ltd was incorporated on 9 May 2022, 4 years ago.
Has Commercial Gas Engineers Southern Ltd won public sector contracts?
Yes. Commercial Gas Engineers Southern Ltd has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £93K), most recently from NHS Property Services Limited.
What is the penalty if Commercial Gas Engineers Southern 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 Commercial Gas Engineers Southern 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.