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  4. Compton & Parkinson Limited

Compton & Parkinson Limited

ActiveUnaudited abridged accountsPlumbers and heating engineersCambridge
Company number
06557289
Incorporated
7 Apr 200818 years trading
Registered office
3 Anderson Court, Newnham Road, Cambridge, CB3 9EZ
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
475 days
31 Jan 2028
Net assets
£128K
At 30 Apr 2026
Cash at bank
£96K
At 30 Apr 2026
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Compton & Parkinson Limited is a 18-year-old private limited company registered in Cambridge, company number 06557289, one of 105 plumbing and heating companies in Cambridge. 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.

Accounts due
31 Jan 2028
in 475 days
For the period to 30 Apr 2027
CT600 due
30 Apr 2028
in 565 days
Period 1 May 2026 to 30 Apr 2027
Corporation tax payment
1 Feb 2028
in 476 days
9 months and 1 day after the period end
Confirmation statement
13 Apr 2027
in 182 days
Last made up to 30 Mar 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 £8,109 (-6%) on the year before, to £128K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £252K against £162K owed within a year: 1.6 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£100K30 April 2017: net assets £15K£15K201730 April 2018: net assets £47K£47K201830 April 2019: net assets £113K£113K201930 April 2020: net assets £188K£188K202030 April 2021: net assets £151K£151K202130 April 2022: net assets £153K£153K202230 April 2023: net assets £141K£141K202330 April 2024: net assets £190K£190K202430 April 2025: net assets £136K£136K202530 April 2026: net assets £128K£128K2026
Net assets at each year end, 2017 to 2026£0£100K30 April 2017: net assets £15K£15K'1730 April 2018: net assets £47K£47K'1830 April 2019: net assets £113K£113K'1930 April 2020: net assets £188K£188K'2030 April 2021: net assets £151K£151K'2130 April 2022: net assets £153K£153K'2230 April 2023: net assets £141K£141K'2330 April 2024: net assets £190K£190K'2430 April 2025: net assets £136K£136K'2530 April 2026: net assets £128K£128K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2026£128K£96K£252K£162K0
30 Apr 2025£136K£125K£236K£151K12
30 Apr 2024£190K£141K£306K£179K0
30 Apr 2023£141K£179K£285K£164K-12
30 Apr 2022£153K£221K£291K£162K-10
30 Apr 2021£151K£243K£310K£127K-17
30 Apr 2020£188K£229K£282K£106K17
30 Apr 2019£113K£110K£246K£154K18
30 Apr 2018£47K£18K£163K£118K
30 Apr 2017£15K£69K£150K£145K14

Where Compton & Parkinson Limited is registered

Compton & Parkinson Limited's registered office on a map of the UK

The registered office is in Cambridge (CB3), in the Cambridge local authority area, East of England. Show CB3 9EZ on a map.

Other trade companies in CB3

Shared registered office

332 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Compton & Parkinson 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 January 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Feb 2028 to 29 Feb 2028£150
1 to 3 months late1 Mar 2028 to 30 Apr 2028£375
3 to 6 months late1 May 2028 to 31 Jul 2028£750
More than 6 months lateFrom 1 Aug 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 May 2028£200
3 months late30 Jul 2028another £200
6 months late30 Oct 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Apr 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
06557289
Status
Active
Company type
Private limited company
Incorporated
7 April 2008 (18 years ago)
Registered office
3 Anderson Court, Newnham Road, Cambridge, CB3 9EZ
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 April (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
30 April 2026
Last confirmation statement
30 March 2026
Charges (mortgages)
0 outstanding of 1 registered

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

Similar companies in Cambridge

Other active plumbing and heating companies registered in Cambridge.

All plumbing and heating companies in Cambridge · All trades in Cambridge · Plumbers and heating engineers across the UK

Frequently asked questions

When are Compton & Parkinson Limited's accounts due?

Compton & Parkinson Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.

When is Compton & Parkinson Limited'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 Compton & Parkinson Limited still trading?

Compton & Parkinson 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 Compton & Parkinson Limited do?

Compton & Parkinson Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Compton & Parkinson Limited?

Compton & Parkinson Limited was incorporated on 7 April 2008, 18 years ago.

What is the penalty if Compton & Parkinson 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 Compton & Parkinson 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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