- Companies
- Plumbers and heating engineers
- Basingstoke
- Winmill Plumbing and Heating Ltd
Winmill Plumbing and Heating Ltd
- Company number
- 15361979
- Incorporated
- 19 Dec 20232 years trading
- Registered office
- 34 the Drive, Oakley, Basingstoke, RG23 7BA
- Nature of business
- Plumbing, heat and air-conditioning installation
Winmill Plumbing and Heating Ltd is a 2-year-old private limited company registered in Basingstoke, company number 15361979, one of 92 plumbing and heating companies in Basingstoke. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Winmill Plumbing and Heating LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £18K (-69.8%) on the year before, to £7,907.
- Current assets of £43K against £39K owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £7,907 | £43K | £39K | 1 | |
| 31 Dec 2024 | £26K | £34K | £17K | 1 |
Where Winmill Plumbing and Heating Ltd is registered
The registered office is in Basingstoke (RG23), in the Basingstoke and Deane local authority area, South East. Show RG23 7BA on a map.
Other trade companies in RG23
- Lit Scaffolding LtdScaffolders
- Assurevale LtdBuilders
- Fuego Build LtdProperty developers
- Charlston LtdBuilders
- Basingstoke Alarm Specialists LtdElectricians
- Dafi Heating and Plumbing LtdPlumbers and heating engineers
- Belle Bathrooms and Plumbing LtdBuilders
- PRT Lighting LtdElectricians
What happens if Winmill Plumbing and Heating 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15361979
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 December 2023 (2 years ago)
- Registered office
- 34 the Drive, Oakley, Basingstoke, RG23 7BA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 18 December 2025
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 Basingstoke
Other active plumbing and heating companies registered in Basingstoke.
- Wisemann Ltd2025
- Yorkwood Bathrooms Limited2021
- Yours Plumbing and Heating Limited2018
- 1066 PHD Limited2019
- 1ST Response Heating and Plumbing Ltd2005
- A Clarke Plumbing & Heating Ltd2026
- A Cornick Contracting Ltd2026
- Air Control Services Limited2021
All plumbing and heating companies in Basingstoke · All trades in Basingstoke · Plumbers and heating engineers across the UK
Frequently asked questions
When are Winmill Plumbing and Heating Ltd's accounts due?
Winmill Plumbing and Heating Ltd's next accounts are due at Companies House by 30 September 2027 (in 351 days), covering the period to 31 December 2026.
When is Winmill Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Winmill Plumbing and Heating Ltd still trading?
Winmill Plumbing and Heating 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 Winmill Plumbing and Heating Ltd do?
Winmill Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Winmill Plumbing and Heating Ltd?
Winmill Plumbing and Heating Ltd was incorporated on 19 December 2023, 2 years ago.
What is the penalty if Winmill Plumbing and Heating 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 Winmill Plumbing and Heating 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.