- Companies
- Plumbers and heating engineers
- Swindon
- Gas Code Limited
Gas Code Limited
- Company number
- 15635568
- Incorporated
- 11 Apr 20242 years trading
- Registered office
- Unit 1-3, Marshgate, Swindon, SN1 2PA
- Nature of business
- Plumbing, heat and air-conditioning installation
Gas Code Limited is a 2-year-old private limited company registered in Swindon, company number 15635568, one of 164 plumbing and heating companies in Swindon. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Gas Code Limited is registered
The registered office is in Swindon (SN1), in the Swindon local authority area, South West. Show SN1 2PA on a map.
Other trade companies in SN1
- Terraform Surfacing LimitedSpecialist contractors
- Haq Builders Swindon LtdBuilders
- Yeshi Construction LimitedBuilders
- Built & Bespoke LtdBuilders
- Saxon Property Care LtdBuilders
- DBX Contracts LimitedBuilders
- Hamaazs LtdSpecialist contractors
- E&R Electrics LtdElectricians
Also registered at this address
2 other companies use the same registered office as Gas Code Limited.
- DBF Property Services LimitedBuilders
- Gac Roofline LtdRoofers
What happens if Gas Code 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15635568
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 2024 (2 years ago)
- Registered office
- Unit 1-3, Marshgate, Swindon, SN1 2PA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 10 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 Swindon
Other active plumbing and heating companies registered in Swindon.
- Gasfirm Ltd2025
- Gastech Wilts Ltd2013
- Greene Plumbing & Heating Specialists Limited2025
- Habitat Solutions (Swindon) Limited2014
- HD Plumbing & Heating Solutions Ltd2015
- Heatrite (Swindon) Ltd2009
- Heatto Ltd2024
- Heatwise (South West) Limited2007
All plumbing and heating companies in Swindon · All trades in Swindon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gas Code Limited's accounts due?
Gas Code Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Gas Code Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Gas Code Limited still trading?
Gas Code 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 Code Limited do?
Gas Code Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gas Code Limited?
Gas Code Limited was incorporated on 11 April 2024, 2 years ago.
What is the penalty if Gas Code 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 Code 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.