- Companies
- Plumbers and heating engineers
- Southampton
- Gas and Water Experts Limited
Gas and Water Experts Limited
- Company number
- 15241680
- Incorporated
- 27 Oct 20232 years trading
- Registered office
- 101 ST. Mary Street, Southampton, SO14 1PF
- Nature of business
- Plumbing, heat and air-conditioning installation
Gas and Water Experts Limited is a 2-year-old private limited company registered in Southampton, company number 15241680, one of 246 plumbing and heating companies in Southampton. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £2,142 (+44.2%) on the year before, to £6,991.
- Current assets of £6,139 against £502 owed within a year: more than 10 times cover.
- 3 employees 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | £6,991 | £6,139 | £502 | 3 | |
| 31 Oct 2024 | £4,849 | £5,986 | £1,137 | 3 |
Where Gas and Water Experts Limited is registered
The registered office is in Southampton (SO14), in the Southampton local authority area, South East. Show SO14 1PF on a map.
Other trade companies in SO14
- Cat Garage LtdMechanics and garages
- Sonix LtdBuilders
- Vanie & Dick LtdBuilders
- 33 Motors LtdMotor traders
- Pure Light Cleaning LtdCleaning companies
- Cccjr Trading LimitedMotor traders
- Otess LtdFloor and wall tilers
- Bevertex LimitedElectricians
Also registered at this address
3 other companies use the same registered office as Gas and Water Experts Limited.
- Lorini LtdMotor traders
- Solent Motors LtdMotor traders
- TT Brothers Builders LtdBuilders
What happens if Gas and Water Experts 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 15241680
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 October 2023 (2 years ago)
- Registered office
- 101 ST. Mary Street, Southampton, SO14 1PF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 26 October 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.
- Gas Bright Limited2021
- Gasnier Plumbing & Heating Limited2006
- Gaswarm Heating and Mechanical Ltd2018
- GHP South Ltd2017
- GLC Plumbing & Heating Ltd2012
- Gosouth Gas Ltd2013
- GW Gas Ltd2015
- H2O Renewable Energy Ltd2020
All plumbing and heating companies in Southampton · All trades in Southampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gas and Water Experts Limited's accounts due?
Gas and Water Experts Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Gas and Water Experts Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Gas and Water Experts Limited still trading?
Gas and Water Experts 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 Gas and Water Experts Limited do?
Gas and Water Experts Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gas and Water Experts Limited?
Gas and Water Experts Limited was incorporated on 27 October 2023, 2 years ago.
What is the penalty if Gas and Water Experts 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 Gas and Water Experts 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.