- Companies
- Plumbers and heating engineers
- Carmarthen
- Power Check (Oxford) Limited
Power Check (Oxford) Limited
- Company number
- 03617468
- Incorporated
- 18 Aug 199828 years trading
- Registered office
- SWN Y Coed, Dryslwyn, Carmarthen, SA32 8SD
- Nature of business
- Plumbing, heat and air-conditioning installation
Power Check (Oxford) Limited is a 28-year-old private limited company registered in Carmarthen, company number 03617468, one of 30 plumbing and heating companies in Carmarthen. 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 up £14K (+49.9%) on the year before, to £42K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £21K against £59K owed within a year: 0.3 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £42K | £21K | £59K | 3 | |
| 30 Apr 2024 | £28K | £28K | £53K | 3 | |
| 30 Apr 2023 | £17K | £37K | £52K | 3 | |
| 30 Apr 2022 | £6,508 | £32K | £39K | 3 | |
| 30 Apr 2021 | £8,103 | £47K | £54K | 3 | |
| 30 Apr 2020 | £35K | £23K | £76K | 3 | |
| 30 Apr 2019 | £27K | £19K | £59K | ||
| 30 Apr 2018 | £20K | £34K | £67K | ||
| 30 Apr 2017 | -£38K | £21K | £65K | ||
| 30 Apr 2016 | -£43K | £27K | £76K |
Who runs and owns Power Check (Oxford) Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| I*** H*** | Director | Mar 2006 |
| L*** G*** | Director | Jan 2008 |
| L*** G*** | Secretary | Jan 2008 |
11 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** B*** | Secretary | Sep 2005 | Jan 2008 |
| T*** B*** | Secretary | Nov 2003 | Sep 2005 |
| L*** S*** | Secretary | Aug 1998 | Nov 2003 |
| The Oxford Secretariat Limited | Secretary (company) | Aug 1998 | Aug 1998 |
| N*** B*** | Director | Oct 2003 | Dec 2005 |
| S*** B*** | Director | Sep 2005 | Jan 2008 |
| T*** B*** | Director | Aug 1998 | Sep 2005 |
| G*** H*** | Director | Sep 2025 | Jan 2026 |
| M*** H*** | Director | Sep 2025 | Jan 2026 |
| L*** S*** | Director | Aug 1998 | Nov 2003 |
| Oxford Formations Limited | Director (company) | Aug 1998 | Aug 1998 |
People with significant control (2)
Where Power Check (Oxford) Limited is registered
The registered office is in Carmarthen (SA32), in the Carmarthenshire local authority area, Wales. Show SA32 8SD on a map.
Other trade companies in SA32
- Cen Coed LimitedJoiners and carpenters
- C&A Concrete Pumping Ltd LtdBuilders
- CJW Access LtdCivil engineering
- Mitchell's Plumbing LtdPlumbers and heating engineers
- 360 Electrical Solutions (Wales) LtdElectricians
- LJC Property Developments LtdProperty developers
- Arcs and Sparks LimitedMachinery repair and installation
- Wolf Works LtdFacilities management
What happens if Power Check (Oxford) 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 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
- 03617468
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 August 1998 (28 years ago)
- Registered office
- SWN Y Coed, Dryslwyn, Carmarthen, SA32 8SD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 18 August 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 Carmarthen
Other active plumbing and heating companies registered in Carmarthen.
- Preston Plumbing Heating Ltd2026
- R P Cassidy Plumbing & Heating Ltd2013
- Reeves Renovations (Bath) Limited2011
- Scott Baker Plumbing & Heating Limited2003
- Sharp Plumbing & Heating Limited2013
- Tegg Plumbing Limited2026
- TFG Services Limited2019
- TS Gas Limited2013
All plumbing and heating companies in Carmarthen · All trades in Carmarthen · Plumbers and heating engineers across the UK
Frequently asked questions
When are Power Check (Oxford) Limited's accounts due?
Power Check (Oxford) Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Power Check (Oxford) Limited'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 Power Check (Oxford) Limited still trading?
Power Check (Oxford) 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 Power Check (Oxford) Limited do?
Power Check (Oxford) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Power Check (Oxford) Limited?
Power Check (Oxford) Limited was incorporated on 18 August 1998, 28 years ago.
Who runs Power Check (Oxford) Limited?
Power Check (Oxford) Limited has 2 active directors, the longest-serving appointed in Mar 2006. Their names and service addresses are on the Companies House register.
Who owns Power Check (Oxford) Limited?
2 people or companies have significant control of Power Check (Oxford) Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Power Check (Oxford) 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 Power Check (Oxford) 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.