- Companies
- Plumbers and heating engineers
- Llanelli
- Gas Services Network Limited
Gas Services Network Limited
- Company number
- 03288771
- Incorporated
- 6 Dec 199629 years trading
- Registered office
- 3 Pen Yr Heol Drive, Llanelli, SA15 3NX
- Nature of business
- Plumbing, heat and air-conditioning installation
Gas Services Network Limited is a 29-year-old private limited company registered in Llanelli, company number 03288771, one of 29 plumbing and heating companies in Llanelli. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £2,126 (-12.4%) on the year before, to £15K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £11K against £12K owed within a year: 0.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £15K | £11K | £12K | 2 | |
| 31 Dec 2024 | £17K | £9,178 | £5,547 | 2 | |
| 31 Dec 2023 | £16K | £8,401 | £8,170 | 2 | |
| 31 Dec 2022 | £15K | £8,204 | £8,795 | 2 | |
| 31 Dec 2021 | £17K | £9,322 | £7,617 | 2 | |
| 31 Dec 2020 | £4,142 | £5,715 | £8,757 | 2 | |
| 31 Dec 2019 | -£148 | £8,700 | £15K | ||
| 31 Dec 2016 | £2,205 |
Where Gas Services Network Limited is registered
The registered office is in Llanelli (SA15), in the Carmarthenshire local authority area, Wales. Show SA15 3NX on a map.
Other trade companies in SA15
- Annesley Street (Llanelli) LtdProperty developers
- A&J Landscapes and Property Maintenance LimitedLandscapers and gardeners
- A.C Electrics Llanelli LtdElectricians
- Blue Lagoon Paving & Patios LtdLandscapers and gardeners
- Gwyn Towns Installations LtdInstallers
- Ozma Developments LtdProperty developers
- Swansea Mobile Boat Engineers LtdMachinery repair and installation
- South Wales Bathrooms and Heating LtdPlumbers and heating engineers
What happens if Gas Services Network 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 03288771
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 December 1996 (29 years ago)
- Registered office
- 3 Pen Yr Heol Drive, Llanelli, SA15 3NX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 24 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 Llanelli
Other active plumbing and heating companies registered in Llanelli.
- H2O Heating and Gas Services Limited2005
- Huw Jeffreys & Son Limited2009
- J Williams Property Management Ltd2025
- Jade & Sons (Plumbing & Heating) Limited2007
- Jrad Ltd2023
- Lewfield Mechanical Ltd2020
- M C Plumbing & Heating Services Limited2023
- Mike West Plumbing and Gas Services Ltd2020
All plumbing and heating companies in Llanelli · All trades in Llanelli · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gas Services Network Limited's accounts due?
Gas Services Network Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Gas Services Network Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Gas Services Network Limited still trading?
Gas Services Network 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 Services Network Limited do?
Gas Services Network Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gas Services Network Limited?
Gas Services Network Limited was incorporated on 6 December 1996, 29 years ago.
What is the penalty if Gas Services Network 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 Services Network 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.