- Companies
- Plumbers and heating engineers
- Oxford
- Thames Valley Plumbers Limited
Thames Valley Plumbers Limited
- Company number
- 06899049
- Incorporated
- 7 May 200917 years trading
- Registered office
- The Old Dairy 12 Stephen Road, Headington, Oxford, OX3 9AY
- Nature of business
- Plumbing, heat and air-conditioning installation
Thames Valley Plumbers Limited is a 17-year-old private limited company registered in Oxford, company number 06899049, one of 62 plumbing and heating companies in Oxford. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £38K (-84.8%) on the year before, to £6,886.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £200K against £224K owed within a year: 0.9 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £6,886 | £108K | £200K | £224K | 4 |
| 31 May 2024 | £45K | £89K | £243K | £222K | 4 |
| 31 May 2023 | £66K | £98K | £315K | £281K | 4 |
| 31 May 2022 | £67K | £69K | £252K | £221K | 4 |
| 31 May 2021 | £46K | £322K | £459K | £462K | 3 |
| 31 May 2020 | £49K | £271K | £483K | £500K | 2 |
| 31 May 2019 | £49K | £103K | £716K | £758K | 3 |
| 31 May 2018 | £31K | £294K | £561K | £566K | 1 |
| 31 May 2017 | £27K | £252K | £463K | £455K | 1 |
Where Thames Valley Plumbers Limited is registered
The registered office is in Oxford (OX3), in the Oxford local authority area, South East. Show OX3 9AY on a map.
Other trade companies in OX3
- Hussan LimitedBuilders
- Washward LtdPlumbers and heating engineers
- Start Fresh Cleaning Group LtdCleaning companies
- Lynx Carpet Care LtdCleaning companies
- Zafrose LtdSpecialist contractors
- The Property Edition LimitedFinishing trades
- DC Electrical Ox LtdElectricians
- Haddie Plumbing and Utilities LtdPlumbers and heating engineers
Shared registered office
26 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Thames Valley Plumbers 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 06899049
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2009 (17 years ago)
- Registered office
- The Old Dairy 12 Stephen Road, Headington, Oxford, OX3 9AY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 7 May 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 Oxford
Other active plumbing and heating companies registered in Oxford.
- The Domestic Heating & Plumbing Company Limited2020
- Uniheat (Oxford) Limited1972
- Washingtons Plumbing Heating & Leadwork Limited2010
- Washward Ltd2026
- Waterpark Heating Limited2022
- XK Engineers Limited2022
- 247 Plumbing and Drainage Ltd2025
- A & E Plumbing Oxford Ltd2026
All plumbing and heating companies in Oxford · All trades in Oxford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thames Valley Plumbers Limited's accounts due?
Thames Valley Plumbers Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Thames Valley Plumbers Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Thames Valley Plumbers Limited still trading?
Thames Valley Plumbers 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 Thames Valley Plumbers Limited do?
Thames Valley Plumbers Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thames Valley Plumbers Limited?
Thames Valley Plumbers Limited was incorporated on 7 May 2009, 17 years ago.
What is the penalty if Thames Valley Plumbers 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 Thames Valley Plumbers 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.