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  4. Clewer Boatyard Limited

Clewer Boatyard Limited

ActiveTotal exemption (full) accountsMachinery repair and installationWindsor
Company number
00382764
Incorporated
17 Sep 194383 years trading
Registered office
Clewer Boatyard Ltd, Clewer Court Road, Windsor, Berkshire, SL4 5JD
Nature of business
Repair and maintenance of ships and boats; Other letting and operating of own or leased real estate
Accounts due in
444 days
31 Dec 2027
Net assets
£1.6M▼
-3.7% on the year before
Cash at bank
£201K▼
At 31 Mar 2026
Employees
4
Average during the year
From the Companies House register, 1 Oct 2026

Clewer Boatyard Limited is a 83-year-old private limited company registered in Windsor, company number 00382764, one of 13 machinery repair and installation companies in Windsor. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Dec 2027
in 444 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 535 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 445 days
9 months and 1 day after the period end
Confirmation statement
10 Sep 2027
in 332 days
Last made up to 27 Aug 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 £60K (-3.7%) on the year before, to £1.6M.
  • Net assets rose in 7 of 9 year-on-year comparisons on record.
  • Current assets of £228K against £93K owed within a year: 2.5 times cover.
  • 4 employees on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£1M31 March 2017: net assets £1.5M£1.5M201731 March 2018: net assets £1.5M£1.5M201831 March 2019: net assets £1.5M£1.5M201931 March 2020: net assets £1.6M£1.6M202031 March 2021: net assets £1.5M£1.5M202131 March 2022: net assets £1.6M£1.6M202231 March 2023: net assets £1.6M£1.6M202331 March 2024: net assets £1.6M£1.6M202431 March 2025: net assets £1.6M£1.6M202531 March 2026: net assets £1.6M£1.6M2026
Net assets at each year end, 2017 to 2026£0£1M31 March 2017: net assets £1.5M£1.5M'1731 March 2018: net assets £1.5M£1.5M'1831 March 2019: net assets £1.5M£1.5M'1931 March 2020: net assets £1.6M£1.6M'2031 March 2021: net assets £1.5M£1.5M'2131 March 2022: net assets £1.6M£1.6M'2231 March 2023: net assets £1.6M£1.6M'2331 March 2024: net assets £1.6M£1.6M'2431 March 2025: net assets £1.6M£1.6M'2531 March 2026: net assets £1.6M£1.6M'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£1.6M£201K£228K£93K4
31 Mar 2025£1.6M£225K£257K£62K4
31 Mar 2024£1.6M£213K£256K£74K4
31 Mar 2023£1.6M£210K£233K£91K3
31 Mar 2022£1.6M£194K£221K£90K3
31 Mar 2021£1.5M£130K£150K£79K3
31 Mar 2020£1.6M£149K£178K£75K3
31 Mar 2019£1.5M£122K£143K£91K3
31 Mar 2018£1.5M£101K£122K£78K3
31 Mar 2017£1.5M£133K£145K£94K3

Who runs and owns Clewer Boatyard Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (4)

NameRoleAppointed
M*** P***Directorbefore Aug 1992
E*** P***DirectorJul 2025
M*** P***DirectorJul 2025
M*** P***Secretarybefore Aug 1992
2 former officers
NameRoleAppointedLeft
J*** P***DirectorJun 2026
K*** P***DirectorMar 2026

Person with significant control

Individual · since Apr 2016
M*** P***
Owns 50% to 75% of the shares
Holds 50% to 75% of the votes

Charges (secured borrowing)

9 of 9 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
A private lenderOutstandingFeb 1982
Midland Bank PLCOutstandingFeb 1979
Midland Bank PLCOutstandingFeb 1979
Midland Bank PLCOutstandingFeb 1979
Thomas Wethered & Son LtdOutstandingApr 1977
Midland Bank PLCOutstandingFeb 1958
Midland Bank PLCOutstandingFeb 1958
Midland Bank PLCOutstandingApr 1954
Midland Bank PLCOutstandingApr 1954

Where Clewer Boatyard Limited is registered

Clewer Boatyard Limited's registered office on a map of the UK

The registered office is in Windsor (SL4), in the Windsor and Maidenhead local authority area, South East. Show SL4 5JD on a map.

Other trade companies in SL4

What happens if Clewer Boatyard 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 31 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
00382764
Status
Active
Company type
Private limited company
Incorporated
17 September 1943 (83 years ago)
Registered office
Clewer Boatyard Ltd, Clewer Court Road, Windsor, Berkshire, SL4 5JD
Nature of business
Repair and maintenance of ships and boats (SIC 33150)
Other letting and operating of own or leased real estate (SIC 68209)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
27 August 2026
Charges (mortgages)
9 outstanding of 9 registered

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 Windsor

Other active machinery repair and installation companies registered in Windsor.

All machinery repair and installation companies in Windsor · All trades in Windsor · Machinery repair and installation across the UK

Frequently asked questions

When are Clewer Boatyard Limited's accounts due?

Clewer Boatyard Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.

When is Clewer Boatyard Limited's CT600 due?

The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.

Is Clewer Boatyard Limited still trading?

Clewer Boatyard 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 Clewer Boatyard Limited do?

Clewer Boatyard Limited is registered under Repair and maintenance of ships and boats (SIC 33150); Other letting and operating of own or leased real estate (SIC 68209).

How old is Clewer Boatyard Limited?

Clewer Boatyard Limited was incorporated on 17 September 1943, 83 years ago.

Who runs Clewer Boatyard Limited?

Clewer Boatyard Limited has 3 active directors, the longest-serving appointed in Jul 2025. Their names and service addresses are on the Companies House register.

Who owns Clewer Boatyard Limited?

One person or company has significant control of Clewer Boatyard Limited: an individual (owns 50% to 75% of the shares).

What is the penalty if Clewer Boatyard 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 Clewer Boatyard 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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