- Companies
- Machinery repair and installation
- Durham
- Winnflow Plumbing Ltd
Winnflow Plumbing Ltd
- Company number
- 15252560
- Incorporated
- 1 Nov 20232 years trading
- Registered office
- 3 Raby Road, Durham, DH1 5NJ
- Nature of business
- Repair of other equipment; Plumbing, heat and air-conditioning installation; Other construction installation; Repair of furniture and home furnishings
Winnflow Plumbing Ltd is a 2-year-old private limited company registered in Durham, company number 15252560, one of 39 machinery repair and installation companies in Durham. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £23K (+126.6%) on the year before, to £41K.
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £41K | 1 | |||
| 30 Nov 2024 | £18K | 1 |
Where Winnflow Plumbing Ltd is registered
The registered office is in Durham (DH1), in the County Durham local authority area, North East. Show DH1 5NJ on a map.
Other trade companies in DH1
- Drives & Patios 4 You LtdLandscapers and gardeners
- Hanser LimitedBuilders
- McCluskey Roofing North East LtdRoofers
- Phone and Laptop Repairs Ne LtdRepair services
- Tyne & Wear Commercial Cleaning LtdCleaning companies
- HZG Projects LimitedCivil engineering
- Damiora Group LtdFacilities management
- James Lawton Homes ( Whickham Farm ) LtdProperty developers
Also registered at this address
2 other companies use the same registered office as Winnflow Plumbing Ltd.
- Fixflow Trades LtdPlumbers and heating engineers
- Origin Bathrooms LtdPlumbers and heating engineers
What happens if Winnflow Plumbing 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 15252560
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 November 2023 (2 years ago)
- Registered office
- 3 Raby Road, Durham, DH1 5NJ
- Nature of business
- Repair of other equipment (SIC 33190)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Repair of furniture and home furnishings (SIC 95240) - Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 6 November 2025
- Previous names
- DH Home Improvements Ltd (until 6 Jun 2025)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Durham
Other active machinery repair and installation companies registered in Durham.
- Absolute Fire and Electrical Services Ltd2020
- B.C.C. (Ne) Limited2004
- Brown's Boathouse Limited1976
- Bullivant Agricultural Limited2021
- Car-Tech Prestige Limited2007
- Cartman Electrical Engineers Limited2025
- CDH Maintenance Limited2023
- CK Plant (Ne) Ltd2026
All machinery repair and installation companies in Durham · All trades in Durham · Machinery repair and installation across the UK
Frequently asked questions
When are Winnflow Plumbing Ltd's accounts due?
Winnflow Plumbing Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Winnflow Plumbing Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Winnflow Plumbing Ltd still trading?
Winnflow Plumbing 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 Winnflow Plumbing Ltd do?
Winnflow Plumbing Ltd is registered under Repair of other equipment (SIC 33190); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Repair of furniture and home furnishings (SIC 95240).
How old is Winnflow Plumbing Ltd?
Winnflow Plumbing Ltd was incorporated on 1 November 2023, 2 years ago.
What is the penalty if Winnflow Plumbing 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 Winnflow Plumbing 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.