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  4. William Willoughby (Estates) Limited

William Willoughby (Estates) Limited

ActiveTotal exemption (full) accountsCivil engineeringBiggleswade
Company number
04542553
Incorporated
23 Sep 200224 years trading
Registered office
Brigham House, 93 High Street, Biggleswade, Bedfordshire, SG18 0LD
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
260 days
30 Jun 2027
Net assets
£1.1M▼
-2.5% on the year before
Cash at bank
£765K▼
At 30 Sep 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

William Willoughby (Estates) Limited is a 24-year-old private limited company registered in Biggleswade, company number 04542553, one of 6 civil engineering contractors in Biggleswade. 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.

Accounts due
30 Jun 2027
in 260 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 352 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 261 days
9 months and 1 day after the period end
Confirmation statement
7 Oct 2027
in 359 days
Last made up to 23 Sep 2026

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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 £27K (-2.5%) on the year before, to £1.1M.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £1.2M against £149K owed within a year: 8.1 times cover.
  • 2 employees on average, down from 3 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£500K£1M30 September 2016: net assets £1.3M£1.3M201630 September 2017: net assets £1.3M£1.3M201730 September 2018: net assets £1.4M£1.4M201830 September 2019: net assets £1.4M£1.4M201930 September 2020: net assets £1.3M£1.3M202030 September 2021: net assets £1.3M£1.3M202130 September 2022: net assets £1.3M£1.3M202230 September 2023: net assets £1.2M£1.2M202330 September 2024: net assets £1.1M£1.1M202430 September 2025: net assets £1.1M£1.1M2025
Net assets at each year end, 2016 to 2025£0£500K£1M30 September 2016: net assets £1.3M£1.3M'1630 September 2017: net assets £1.3M£1.3M'1730 September 2018: net assets £1.4M£1.4M'1830 September 2019: net assets £1.4M£1.4M'1930 September 2020: net assets £1.3M£1.3M'2030 September 2021: net assets £1.3M£1.3M'2130 September 2022: net assets £1.3M£1.3M'2230 September 2023: net assets £1.2M£1.2M'2330 September 2024: net assets £1.1M£1.1M'2430 September 2025: net assets £1.1M£1.1M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025£1.1M£765K£1.2M£149K2
30 Sep 2024£1.1M£868K£1.2M£109K3
30 Sep 2023£1.2M£902K£1.2M£79K3
30 Sep 2022£1.3M£1M£1.3M£81K3
30 Sep 2021£1.3M£940K£1.3M£64K1
30 Sep 2020£1.3M£882K£1.4M£78K1
30 Sep 2019£1.4M£779K£1.5M£77K1
30 Sep 2018£1.4M£1M£2.8M£1.4M1
30 Sep 2017£1.3M£665K£2.2M£875K1
30 Sep 2016£1.3M£104K£2.7M£1.5M

Where William Willoughby (Estates) Limited is registered

William Willoughby (Estates) Limited's registered office on a map of the UK

The registered office is in Biggleswade (SG18), in the Central Bedfordshire local authority area, East of England. Show SG18 0LD on a map.

Other trade companies in SG18

Also registered at this address

2 other companies use the same registered office as William Willoughby (Estates) Limited.

What happens if William Willoughby (Estates) Limited 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 HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 2028another 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
04542553
Status
Active
Company type
Private limited company
Incorporated
23 September 2002 (24 years ago)
Registered office
Brigham House, 93 High Street, Biggleswade, Bedfordshire, SG18 0LD
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
30 September (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 September 2025
Last confirmation statement
23 September 2026
Charges (mortgages)
0 outstanding of 9 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 Biggleswade

Other active civil engineering contractors registered in Biggleswade.

All civil engineering contractors in Biggleswade · All trades in Biggleswade · Civil engineering across the UK

Frequently asked questions

When are William Willoughby (Estates) Limited's accounts due?

William Willoughby (Estates) Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.

When is William Willoughby (Estates) Limited'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 William Willoughby (Estates) Limited still trading?

William Willoughby (Estates) Limited 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 Willoughby (Estates) Limited do?

William Willoughby (Estates) Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is William Willoughby (Estates) Limited?

William Willoughby (Estates) Limited was incorporated on 23 September 2002, 24 years ago.

What is the penalty if William Willoughby (Estates) Limited 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 Willoughby (Estates) Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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