- Companies
- Plumbers and heating engineers
- Harpford Renewables Ltd
Harpford Renewables Ltd
- Company number
- 16309442
- Incorporated
- 12 Mar 20251 year trading
- Registered office
- 48 Benson Close, Bicester, Oxon, OX26 4FQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Harpford Renewables Ltd is a 1-year-old private limited company registered in Bicester, Oxon, company number 16309442, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 12 December 2026, and its first CT600 is due at HMRC on 11 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Public contracts won
Harpford Renewables Ltd has one public sector contract award on record (2025). Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Oxford City Council | Oxford City Council Home Improvement Agency Ramps, Level Access Showers/Wetrooms and Associated Bathroom Works | Ceiling, not shown | 22 Oct 2025 |
Where Harpford Renewables Ltd is registered
The registered office is in Bicester, Oxon (OX26), in the Cherwell local authority area, South East. Show OX26 4FQ on a map.
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Also registered at this address
1 other company uses the same registered office as Harpford Renewables Ltd.
- Aselford Plumbing & Heating LtdPlumbers and heating engineers
What happens if Harpford Renewables Ltd 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 12 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Dec 2026 to 12 Jan 2027 | £150 |
| 1 to 3 months late | 13 Jan 2027 to 12 Mar 2027 | £375 |
| 3 to 6 months late | 13 Mar 2027 to 12 Jun 2027 | £750 |
| More than 6 months late | From 13 Jun 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
- 16309442
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2025 (1 year ago)
- Registered office
- 48 Benson Close, Bicester, Oxon, OX26 4FQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 11 March 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
Other active plumbing and heating companies.
Frequently asked questions
When are Harpford Renewables Ltd's accounts due?
Harpford Renewables Ltd's next accounts are due at Companies House by 12 December 2026 (in 60 days), covering the period to 31 March 2026.
When is Harpford Renewables Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 11 March 2026, due by 11 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Harpford Renewables Ltd still trading?
Harpford Renewables Ltd 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 Harpford Renewables Ltd do?
Harpford Renewables Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Harpford Renewables Ltd?
Harpford Renewables Ltd was incorporated on 12 March 2025, 1 year ago.
Has Harpford Renewables Ltd won public sector contracts?
Yes. Harpford Renewables Ltd has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from Oxford City Council.
What is the penalty if Harpford Renewables Ltd 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 Harpford Renewables Ltd 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.