- Companies
- Plumbers and heating engineers
- Southampton
- SJW Gas Services Limited
SJW Gas Services Limited
- Company number
- 11190424
- Incorporated
- 6 Feb 20188 years trading
- Registered office
- Meadowland Vicarage Lane, Curdridge, Southampton, Hampshire, SO32 2DP
- Nature of business
- Plumbing, heat and air-conditioning installation
SJW Gas Services Limited is a 8-year-old private limited company registered in Southampton, company number 11190424, one of 246 plumbing and heating companies in Southampton. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 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 £15K (+63.1%) on the year before, to £39K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £39K | £23K | £0 | 1 | |
| 28 Feb 2025 | £24K | £29K | £517 | 2 | |
| 29 Feb 2024 | -£1,264 | £5,280 | £1 | 2 | |
| 28 Feb 2023 | £3,042 | £5,957 | £74 | 2 | |
| 28 Feb 2022 | £13K | £37K | £4,231 | 2 | |
| 28 Feb 2021 | £25K | £50K | £4,098 | 2 | |
| 29 Feb 2020 | -£37K | -£61K | £5,481 | ||
| 28 Feb 2019 | -£22K | -£37K | £6,518 |
Who runs and owns SJW Gas Services Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| S*** W*** | Director | Feb 2018 |
| M*** W*** | Secretary | Feb 2018 |
Person with significant control
Where SJW Gas Services Limited is registered
The registered office is in Southampton (SO32), in the Winchester local authority area, South East. Show SO32 2DP on a map.
Other trade companies in SO32
- J. Green Plastering LtdPlasterers
- D&A Groom LtdInstallers
- Clearline Builds LtdBuilders
- Bumpers to Boost Customs LimitedMotor traders
- Chambers Composites LtdSpecialist contractors
- Gilltown Developments LimitedProperty developers
- Woodpabst Developments LimitedProperty developers
- Htwagroup LtdProperty developers
What happens if SJW Gas Services 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11190424
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2018 (8 years ago)
- Registered office
- Meadowland Vicarage Lane, Curdridge, Southampton, Hampshire, SO32 2DP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 5 February 2026
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.
- Skylines Air Conditioning Ltd2011
- SM Systems Plumbing and Heating Ltd2021
- Smith & Webb Limited1998
- Solar Hut Ltd2022
- Solent Water Treatment Ltd2017
- South Coast Gas Ltd2023
- Southampton Gas & Plumbing Ltd2013
- Southern Bathroom Installations Ltd2023
All plumbing and heating companies in Southampton · All trades in Southampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are SJW Gas Services Limited's accounts due?
SJW Gas Services Limited's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is SJW Gas Services Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is SJW Gas Services Limited still trading?
SJW Gas Services 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 SJW Gas Services Limited do?
SJW Gas Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is SJW Gas Services Limited?
SJW Gas Services Limited was incorporated on 6 February 2018, 8 years ago.
Who runs SJW Gas Services Limited?
SJW Gas Services Limited has 1 active director, the longest-serving appointed in Feb 2018. Their names and service addresses are on the Companies House register.
Who owns SJW Gas Services Limited?
One person or company has significant control of SJW Gas Services Limited: an individual (owns 75% or more of the shares).
What is the penalty if SJW Gas Services 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 SJW Gas Services 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.