- Companies
- Plumbers and heating engineers
- Wantage
- Proplumb Oxford Limited
Proplumb Oxford Limited
- Company number
- 09423648
- Incorporated
- 5 Feb 201511 years trading
- Registered office
- The Manor, Main Street, Wantage, Oxfordshire, OX12 7JJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Proplumb Oxford Limited is a 11-year-old private limited company registered in Wantage, company number 09423648, one of 17 plumbing and heating companies in Wantage. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £1,498 (-19.4%) on the year before, to -£9,225.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £266 against £12K owed within a year: 0.0 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 Aug 2025 | -£9,225 | £266 | £266 | £12K | 0 |
| 31 Aug 2024 | -£7,727 | £266 | £266 | £7,847 | 0 |
| 31 Aug 2023 | -£5,908 | £1,216 | £9,257 | £12K | 0 |
| 31 Aug 2022 | -£3,379 | £1,971 | £14K | £11K | 0 |
| 31 Aug 2021 | £127 | £3,534 | £22K | £13K | 2 |
| 31 Aug 2020 | £100 | £506 | £24K | £13K | 2 |
| 28 Feb 2019 | £216 | £8,716 | £15K | £17K | 3 |
| 28 Feb 2018 | £446 | £3,915 | £50K | £51K | |
| 28 Feb 2017 | £40K | £6,373 | £53K | £15K | |
| 28 Feb 2016 | £19K | £6,601 | £30K | £13K |
Where Proplumb Oxford Limited is registered
The registered office is in Wantage (OX12), in the Vale of White Horse local authority area, South East. Show OX12 7JJ on a map.
Other trade companies in OX12
- Busby Heritage LtdProperty developers
- Alan Cleaning LtdCleaning companies
- Novus Tiling LimitedFloor and wall tilers
- Blu Subsea Diving Services UK LtdMachinery repair and installation
- Summit Scaffolding Services LtdScaffolders
- Posh Wash Didcot LtdCleaning companies
- HPLD LimitedLandscapers and gardeners
- 4Paws Grooming LtdCleaning companies
What happens if Proplumb 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 09423648
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 February 2015 (11 years ago)
- Registered office
- The Manor, Main Street, Wantage, Oxfordshire, OX12 7JJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 4 October 2025
- Charges (mortgages)
- 0 outstanding of 1 registered
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 Wantage
Other active plumbing and heating companies registered in Wantage.
- R & R Plumbing Services Limited2019
- SD Plumbing (Engineering) Limited2016
- The Southern Heat Pump Specialist Ltd2022
- Whitehorse Plumbing and Heating Ltd2020
- Above & Beyond Plumbing Services Ltd2012
- Ajb Cooling Ltd2025
- Andy Yates Ltd2012
- Aquablue Plumbing & Heating Ltd2026
All plumbing and heating companies in Wantage · All trades in Wantage · Plumbers and heating engineers across the UK
Frequently asked questions
When are Proplumb Oxford Limited's accounts due?
Proplumb Oxford Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Proplumb Oxford Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Proplumb Oxford Limited still trading?
Proplumb 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 Proplumb Oxford Limited do?
Proplumb Oxford Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Proplumb Oxford Limited?
Proplumb Oxford Limited was incorporated on 5 February 2015, 11 years ago.
What is the penalty if Proplumb 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 Proplumb 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.