- Companies
- Civil engineering
- Pontyclun
- Winshall Ltd
Winshall Ltd
- Company number
- 13352304
- Incorporated
- 22 Apr 20215 years trading
- Registered office
- 21 Fram Enterprise Centre Parc Busnes Edwards, Llantrisant, Pontyclun, CF72 8QZ
- Nature of business
- Construction of utility projects for electricity and telecommunications
Winshall Ltd is a 5-year-old private limited company registered in Pontyclun, company number 13352304, one of 11 civil engineering contractors in Pontyclun. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £2.4M (+179.5%) on the year before, to £3.8M.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £5.8M against £2.2M owed within a year: 2.6 times cover.
- 9 employees on average, up from 6 the year before.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £3.8M | £3.9M | £5.8M | £2.2M | 9 |
| 30 Apr 2025 | £1.3M | £825K | £2.9M | £1.7M | 6 |
| 30 Apr 2024 | £512K | £335K | £621K | £250K | 5 |
| 30 Apr 2023 | £256K | £136K | £476K | £236K | 2 |
| 30 Apr 2022 | £76K | £50K | £219K | £143K | 2 |
Public contracts won
Winshall Ltd has 2 public sector contract awards on record (2026). Source: Contracts Finder and Find a Tender award notices. For 1 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.
Awards by year
Main buyers
- National Grid UK Limited1 award
- National Grid Electricity Transmission PLC1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| National Grid UK Limited | National Grid Substation Construction | Ceiling, not shown | 1 Oct 2026 |
| National Grid Electricity Transmission PLC | 100670 Sellindge Pathfinder Connection | 29 Jan 2026 |
Where Winshall Ltd is registered
The registered office is in Pontyclun (CF72), in the Rhondda Cynon Taf local authority area, Wales. Show CF72 8QZ on a map.
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What happens if Winshall 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 13352304
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 April 2021 (5 years ago)
- Registered office
- 21 Fram Enterprise Centre Parc Busnes Edwards, Llantrisant, Pontyclun, CF72 8QZ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 14 September 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Pontyclun
Other active civil engineering contractors registered in Pontyclun.
- DV Engineering Management Ltd2024
- Horizon Civil Engineering Limited2008
- Intervention Services Limited2002
- JF Groundworks Ltd2025
- KR Cables Ltd2025
- Linelevel Ltd2025
- M J Wilson Contracting Ltd2020
- Millstone Construction & Electrical (Wales) Limited2003
All civil engineering contractors in Pontyclun · All trades in Pontyclun · Civil engineering across the UK
Frequently asked questions
When are Winshall Ltd's accounts due?
Winshall Ltd's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Winshall Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Winshall Ltd still trading?
Winshall 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 Winshall Ltd do?
Winshall Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Winshall Ltd?
Winshall Ltd was incorporated on 22 April 2021, 5 years ago.
Has Winshall Ltd won public sector contracts?
Yes. Winshall Ltd has 2 contract awards from public bodies on Contracts Finder and Find a Tender, most recently from NATIONAL GRID UK LIMITED.
What is the penalty if Winshall 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 Winshall 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.