- Companies
- Groundworks and demolition
- Buckingham
- Winwood Construction (UK) Ltd
Winwood Construction (UK) Ltd
- Company number
- 07390155
- Incorporated
- 28 Sep 201016 years trading
- Registered office
- Whiteleaf Business Centre, 11 Little Balmer, Buckingham, MK18 1TF
- Nature of business
- Site preparation
Winwood Construction (UK) Ltd is a 16-year-old private limited company registered in Buckingham, company number 07390155, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 down £37K (-22.2%) on the year before, to £130K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £849K against £702K owed within a year: 1.2 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £130K | £273K | £849K | £702K | 3 |
| 30 Sep 2024 | £166K | £110K | £498K | £352K | 3 |
| 30 Sep 2023 | £366K | £424K | £940K | £565K | 3 |
| 30 Sep 2022 | £378K | £88K | £802K | £393K | 3 |
| 30 Sep 2021 | £422K | £544K | £921K | £445K | 3 |
| 30 Sep 2020 | £291K | £93K | £223K | 3 | |
| 30 Sep 2019 | £338K | £52K | £237K | ||
| 30 Sep 2018 | £552K | £174K | £289K | ||
| 30 Sep 2017 | £437K | £98K | £451K | ||
| 30 Sep 2016 | £221K | £14K | £301K |
Where Winwood Construction (UK) Ltd is registered
The registered office is in Buckingham (MK18), in the Buckinghamshire local authority area, South East. Show MK18 1TF on a map.
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What happens if Winwood Construction (UK) 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 07390155
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 September 2010 (16 years ago)
- Registered office
- Whiteleaf Business Centre, 11 Little Balmer, Buckingham, MK18 1TF
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 28 September 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Big Bear Trading Limited (until 24 Feb 2012)
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Buckingham
Other active groundworks and demolition companies registered in Buckingham.
All groundworks and demolition companies in Buckingham · All trades in Buckingham · Groundworks and demolition across the UK
Frequently asked questions
When are Winwood Construction (UK) Ltd's accounts due?
Winwood Construction (UK) Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Winwood Construction (UK) Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Winwood Construction (UK) Ltd still trading?
Winwood Construction (UK) Ltd is listed as active on the Companies House register (checked 13 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 Winwood Construction (UK) Ltd do?
Winwood Construction (UK) Ltd is registered under Site preparation (SIC 43120).
How old is Winwood Construction (UK) Ltd?
Winwood Construction (UK) Ltd was incorporated on 28 September 2010, 16 years ago.
What is the penalty if Winwood Construction (UK) 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 Winwood Construction (UK) Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.