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  4. Cornwall Maintenance Services Limited

Cornwall Maintenance Services Limited

ActiveMicro-entity accountsPlumbers and heating engineersTruro
Company number
12547898
Incorporated
6 Apr 20206 years trading
Registered office
Penstraze Business Park Penstraze, Chacewater, Truro, TR4 8PN
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
111 days
31 Jan 2027
Net assets
£64K▼
-35.9% on the year before
Employees
4
Average during the year
From the Companies House register, 1 Oct 2026

Cornwall Maintenance Services Limited is a 6-year-old private limited company registered in Truro, company number 12547898, one of 32 plumbing and heating companies in Truro. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.

Key dates

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

Accounts due
31 Jan 2027
in 111 days
For the period to 30 Apr 2026
CT600 due
30 Apr 2027
in 200 days
Period 1 May 2025 to 30 Apr 2026
Corporation tax payment
1 Feb 2027
in 112 days
9 months and 1 day after the period end
Confirmation statement
19 Apr 2027
in 189 days
Last made up to 5 Apr 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 £36K (-35.9%) on the year before, to £64K.
  • Net assets rose in 2 of 4 year-on-year comparisons on record.
  • Current assets of £75K against £12K owed within a year: 6.2 times cover.
  • 4 employees on average during the year.
  • Balance sheets on record for 5 years, 2021 to 2025.

Net assets by year

Net assets at each year end, 2021 to 2025£0£50K£100K30 April 2021: net assets £44K£44K202130 April 2022: net assets £22K£22K202230 April 2023: net assets £60K£60K202330 April 2024: net assets £100K£100K202430 April 2025: net assets £64K£64K2025
Net assets at each year end, 2021 to 2025£0£50K£100K30 April 2021: net assets £44K£44K202130 April 2022: net assets £22K£22K202230 April 2023: net assets £60K£60K202330 April 2024: net assets £100K£100K202430 April 2025: net assets £64K£64K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2025£64K£75K£12K4
30 Apr 2024£100K£109K£10K4
30 Apr 2023£60K£62K£2,0524
30 Apr 2022£22K£42K£16K4
30 Apr 2021£44K£53K£384

Where Cornwall Maintenance Services Limited is registered

Cornwall Maintenance Services Limited's registered office on a map of the UK

The registered office is in Truro (TR4), in the Cornwall local authority area, South West. Show TR4 8PN on a map.

Other trade companies in TR4

What happens if Cornwall Maintenance Services 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 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Feb 2027 to 28 Feb 2027£150
1 to 3 months late1 Mar 2027 to 30 Apr 2027£375
3 to 6 months late1 May 2027 to 31 Jul 2027£750
More than 6 months lateFrom 1 Aug 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 May 2027£200
3 months late30 Jul 2027another £200
6 months late30 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Apr 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
12547898
Status
Active
Company type
Private limited company
Incorporated
6 April 2020 (6 years ago)
Registered office
Penstraze Business Park Penstraze, Chacewater, Truro, TR4 8PN
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 April (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 April 2025
Last confirmation statement
5 April 2026

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 Truro

Other active plumbing and heating companies registered in Truro.

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

Frequently asked questions

When are Cornwall Maintenance Services Limited's accounts due?

Cornwall Maintenance Services Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.

When is Cornwall Maintenance Services Limited's CT600 due?

The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.

Is Cornwall Maintenance Services Limited still trading?

Cornwall Maintenance Services 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 Cornwall Maintenance Services Limited do?

Cornwall Maintenance Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Cornwall Maintenance Services Limited?

Cornwall Maintenance Services Limited was incorporated on 6 April 2020, 6 years ago.

What is the penalty if Cornwall Maintenance Services 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 Cornwall Maintenance Services 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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