- Company number
- 15453312
- Incorporated
- 30 Jan 20242 years trading
- Registered office
- 21 Newfields, Fen Road, Chesterton, Cambridge, CB4 1TU
- Nature of business
- Roofing activities
William Winter Ltd is a 2-year-old private limited company registered in Cambridge, company number 15453312, one of 59 roofing companies in Cambridge. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £3,314 on the year before, to £3,414.
- 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 Mar 2025 | £3,414 | £32K | £29K | 1 | |
| 31 Mar 2024 | £100 | £100 |
Who runs and owns William Winter Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| W*** W*** | Director | Jan 2024 |
Person with significant control
Where William Winter Ltd is registered
The registered office is in Cambridge (CB4), in the South Cambridgeshire local authority area, East of England. Show CB4 1TU on a map.
Other trade companies in CB4
- Until Clean LimitedCleaning companies
- Cambs Auto Bodyshop & Tyre Centre LtdMechanics and garages
- Sorted Handyman Services LtdBuilders
- GG Property Maintenance LtdSpecialist contractors
- Horaida LtdCleaning companies
- Auto Bridge Cambridge LimitedMotor traders
- Illume Systems LtdMechanics and garages
- Puffin Rigging LtdInstallers
What happens if William Winter 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 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
- 15453312
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 January 2024 (2 years ago)
- Registered office
- 21 Newfields, Fen Road, Chesterton, Cambridge, CB4 1TU
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 27 January 2026
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Cambridge
Other active roofing companies registered in Cambridge.
- A Grant Roofing Ltd2004
- A Ward Roofing Ltd2025
- Acorn Property Improvements Limited2025
- Advanced Roofing & Landscaping Ltd2021
- Alpha Roofing Cambridge Ltd2011
- Ark Roofers Ltd2022
- Aurion Roofing & Solar Solutions Ltd2025
- Avenue Roofing Limited2024
All roofing companies in Cambridge · All trades in Cambridge · Roofers across the UK
Frequently asked questions
When are William Winter Ltd's accounts due?
William Winter Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is William Winter Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is William Winter Ltd still trading?
William Winter 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 William Winter Ltd do?
William Winter Ltd is registered under Roofing activities (SIC 43910).
How old is William Winter Ltd?
William Winter Ltd was incorporated on 30 January 2024, 2 years ago.
Who runs William Winter Ltd?
William Winter Ltd has 1 active director, the longest-serving appointed in Jan 2024. Their names and service addresses are on the Companies House register.
Who owns William Winter Ltd?
One person or company has significant control of William Winter Ltd: an individual (owns 75% or more of the shares).
What is the penalty if William Winter 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 William Winter 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.