- Companies
- Plumbers and heating engineers
- Portsmouth
- Saturn Gas Heating and Plumbing Ltd
Saturn Gas Heating and Plumbing Ltd
- Company number
- 09539856
- Incorporated
- 13 Apr 201511 years trading
- Registered office
- 6 Pitreavie Road, Portsmouth, PO6 2ST
- Nature of business
- Plumbing, heat and air-conditioning installation; Repair of household appliances and home and garden equipment
Saturn Gas Heating and Plumbing Ltd is a 11-year-old private limited company registered in Portsmouth, company number 09539856, one of 141 plumbing and heating companies in Portsmouth. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 down £8,239 (-13.3%) on the year before, to £54K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £45K against £7,945 owed within a year: 5.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £54K | £45K | £7,945 | 1 | |
| 30 Apr 2024 | £62K | £55K | £15K | 1 | |
| 30 Apr 2023 | £61K | £40K | £4,215 | 0 | |
| 30 Apr 2022 | £54K | £61K | £7,812 | 0 | |
| 30 Apr 2021 | £46K | £54K | £8,284 | 1 | |
| 30 Apr 2020 | £40K | £47K | £7,003 | 1 | |
| 30 Apr 2019 | £32K | £37K | £5,071 | 1 | |
| 30 Apr 2018 | £22K | £24K | £2,735 | ||
| 30 Apr 2017 | £15K | £18K | £2,871 | ||
| 30 Apr 2016 | £10K | £11K | £188 |
Where Saturn Gas Heating and Plumbing Ltd is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 2ST on a map.
Other trade companies in PO6
- Bellagio Partners LtdBuilders
- Cpenw LtdMachinery repair and installation
- Marla Brickwork & Construction LtdProperty developers
- Miracles in Metal LtdMechanics and garages
- FH Fire & Electrical LtdElectricians
- Thomcore LimitedSpecialist contractors
- JMS Southern LtdElectricians
- The Motum Group LtdSpecialist contractors
What happens if Saturn Gas Heating and Plumbing 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 09539856
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 April 2015 (11 years ago)
- Registered office
- 6 Pitreavie Road, Portsmouth, PO6 2ST
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Repair of household appliances and home and garden equipment (SIC 95220) - Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 13 April 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 Portsmouth
Other active plumbing and heating companies registered in Portsmouth.
- SCT Site Services Ltd2018
- SG Electrical Solutions Ltd2010
- Shedfield Plumbers Limited2015
- Silvester & Sons Plumbing & Heating Services Ltd2019
- SLG Southern Ltd2010
- SML Plumbing and Heating (Havant) Limited2009
- Solent Gas Limited2014
- Solent Heating & Cooling Ltd2025
All plumbing and heating companies in Portsmouth · All trades in Portsmouth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Saturn Gas Heating and Plumbing Ltd's accounts due?
Saturn Gas Heating and Plumbing Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Saturn Gas Heating and Plumbing Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Saturn Gas Heating and Plumbing Ltd still trading?
Saturn Gas Heating and Plumbing 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 Saturn Gas Heating and Plumbing Ltd do?
Saturn Gas Heating and Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Repair of household appliances and home and garden equipment (SIC 95220).
How old is Saturn Gas Heating and Plumbing Ltd?
Saturn Gas Heating and Plumbing Ltd was incorporated on 13 April 2015, 11 years ago.
What is the penalty if Saturn Gas Heating and Plumbing 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 Saturn Gas Heating and Plumbing 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.