- Companies
- Plumbers and heating engineers
- Kettering
- Gas Smart (UK) Limited
Gas Smart (UK) Limited
- Company number
- 08413151
- Incorporated
- 21 Feb 201313 years trading
- Registered office
- 109 the Headlands, Kettering, Northamptonshire, NN15 6AB
- Nature of business
- Plumbing, heat and air-conditioning installation
Gas Smart (UK) Limited is a 13-year-old private limited company registered in Kettering, company number 08413151, one of 89 plumbing and heating companies in Kettering. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £29K (+53.6%) on the year before, to £83K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £155K against £72K owed within a year: 2.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £83K | £149K | £155K | £72K | 0 |
| 31 Mar 2024 | £54K | £107K | £110K | £57K | 0 |
| 31 Mar 2023 | £47K | £84K | £94K | £48K | 0 |
| 31 Mar 2022 | £47K | £55K | £92K | £46K | 0 |
| 31 Mar 2021 | £41K | £66K | £73K | £35K | 0 |
| 31 Mar 2020 | £37K | £59K | £74K | £40K | 0 |
| 31 Mar 2019 | £45K | £45K | £89K | £48K | |
| 31 Mar 2018 | £53K | £47K | £71K | £24K | |
| 31 Mar 2017 | £28K | £28K | £52K | £31K | |
| 31 Mar 2016 | £417 | £14K | £25K | £33K |
Where Gas Smart (UK) Limited is registered
The registered office is in Kettering (NN15), in the North Northamptonshire local authority area, East Midlands. Show NN15 6AB on a map.
Other trade companies in NN15
- MZK Builders LimitedBuilders
- Spotless Vibe LtdCleaning companies
- Abrahams Electrical Service LtdElectricians
- M&D Brickwork and Groundwork’S LtdBuilders
- Hawkes Homes LtdProperty developers
- KSH Services LtdSpecialist contractors
- V.I.P Car Spa LtdCleaning companies
- Oak Accomodations LtdProperty developers
What happens if Gas Smart (UK) 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 08413151
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 2013 (13 years ago)
- Registered office
- 109 the Headlands, Kettering, Northamptonshire, NN15 6AB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 20 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 Kettering
Other active plumbing and heating companies registered in Kettering.
- GGCS Holdings Limited2026
- Gocool Ltd2024
- Harley Stanger Plumbing and Heating Ltd2021
- Heat & Plumb Pro. Limited2022
- Heat Pump Training UK Limited2020
- Heat-Space Contracts Ltd2024
- Heaysman's Heating Ltd2024
- High Flame Building Services Limited2026
All plumbing and heating companies in Kettering · All trades in Kettering · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gas Smart (UK) Limited's accounts due?
Gas Smart (UK) Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Gas Smart (UK) Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Gas Smart (UK) Limited still trading?
Gas Smart (UK) 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 Smart (UK) Limited do?
Gas Smart (UK) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gas Smart (UK) Limited?
Gas Smart (UK) Limited was incorporated on 21 February 2013, 13 years ago.
What is the penalty if Gas Smart (UK) 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 Smart (UK) 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.