- Companies
- Plumbers and heating engineers
- Mansfield
- Guardian Gas UK Limited
Guardian Gas UK Limited
- Company number
- 06201720
- Incorporated
- 3 Apr 200719 years trading
- Registered office
- 55 Newboundmill Lane, Pleasley, Mansfield, Nottinghamshire, NG19 7PT
- Nature of business
- Plumbing, heat and air-conditioning installation
Guardian Gas UK Limited is a 19-year-old private limited company registered in Mansfield, company number 06201720, one of 83 plumbing and heating companies in Mansfield. 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 £15K (+4.5%) on the year before, to £347K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £600K against £263K owed within a year: 2.3 times cover.
- -3 employees 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £347K | £600K | £263K | -3 | |
| 31 Mar 2024 | £333K | £553K | £228K | -3 | |
| 31 Mar 2023 | £277K | £539K | £267K | 4 | |
| 31 Mar 2022 | £231K | £502K | £275K | 4 | |
| 31 Mar 2021 | £241K | £478K | £220K | 4 | |
| 31 Mar 2020 | £210K | £383K | £178K | 4 | |
| 31 Mar 2019 | £177K | £299K | £125K | ||
| 31 Mar 2018 | £199K | £310K | £121K | ||
| 31 Mar 2017 | £187K | £273K | £95K | ||
| 31 Mar 2016 | £152K | £197K | £226K | £85K |
Where Guardian Gas UK Limited is registered
The registered office is in Mansfield (NG19), in the Bolsover local authority area, East Midlands. Show NG19 7PT on a map.
Other trade companies in NG19
- Signature Roofing Solutions LtdBuilders
- KK Cleaning & Property Maintenance LtdProperty developers
- H F R Groundworks & Landscaping LtdBuilders
- Trimark Solutions LtdPlumbers and heating engineers
- Westfalen Automotive LimitedMotor traders
- Fortis Battery Care LtdMachinery repair and installation
- RPD Construct LimitedBuilders
- Pleasley Recovery LtdMechanics and garages
What happens if Guardian Gas 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
- 06201720
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 April 2007 (19 years ago)
- Registered office
- 55 Newboundmill Lane, Pleasley, Mansfield, Nottinghamshire, NG19 7PT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 17 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 Mansfield
Other active plumbing and heating companies registered in Mansfield.
- H20 Plumbing & Gas Limited2010
- Haye Maintenance Ltd.2010
- Heritage Heating Systems Limited2020
- HP Air Limited2005
- Hybrid Air Conditioning Ltd2024
- Ibs Services Ltd2020
- Infinity Heat Pumps Limited2023
- Ipsum Renewables Ltd2017
All plumbing and heating companies in Mansfield · All trades in Mansfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are Guardian Gas UK Limited's accounts due?
Guardian Gas 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 Guardian Gas 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 Guardian Gas UK Limited still trading?
Guardian Gas 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 Guardian Gas UK Limited do?
Guardian Gas UK Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Guardian Gas UK Limited?
Guardian Gas UK Limited was incorporated on 3 April 2007, 19 years ago.
What is the penalty if Guardian Gas 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 Guardian Gas 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.