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  4. Mark Innes Plumbing & Heating Limited

Mark Innes Plumbing & Heating Limited

ActiveTotal exemption (full) accountsPlumbers and heating engineersMaldon
Company number
10149985
Incorporated
27 Apr 201610 years trading
Registered office
25 Rowan Drive, Heybridge, Maldon, CM9 4BW
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
110 days
31 Jan 2027
Net assets
-£137▼
-217.1% on the year before
Cash at bank
£8,116▲
At 30 Apr 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Mark Innes Plumbing & Heating Limited is a 10-year-old private limited company registered in Maldon, company number 10149985, one of 34 plumbing and heating companies in Maldon. 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 110 days
For the period to 30 Apr 2026
CT600 due
30 Apr 2027
in 199 days
Period 1 May 2025 to 30 Apr 2026
Corporation tax payment
1 Feb 2027
in 111 days
9 months and 1 day after the period end
Confirmation statement
27 Mar 2027
in 165 days
Last made up to 13 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 £254 (-217.1%) on the year before, to -£137.
  • Net assets rose in 1 of 8 year-on-year comparisons on record.
  • Current assets of £8,116 against £8,253 owed within a year: 1.0 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£5,000£10K30 April 2017: net assets £100£100201730 April 2018: net assets £12K£12K201830 April 2019: net assets £9,884£9,884201930 April 2020: net assets £8,698£8,698202030 April 2021: net assets £320£320202130 April 2022: net assets £302£302202230 April 2023: net assets £144£144202330 April 2024: net assets £117£117202430 April 2025: net assets -£137-£1372025
Net assets at each year end, 2017 to 2025£0£5,000£10K30 April 2017: net assets £100£100'1730 April 2018: net assets £12K£12K'1830 April 2019: net assets £9,884£9,884'1930 April 2020: net assets £8,698£8,698'2030 April 2021: net assets £320£320'2130 April 2022: net assets £302£302'2230 April 2023: net assets £144£144'2330 April 2024: net assets £117£117'2430 April 2025: net assets -£137-£137'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2025-£137£8,116£8,116£8,2531
30 Apr 2024£117£9£15K£15K1
30 Apr 2023£144£2,996£16K£19K1
30 Apr 2022£302£5,000£10K£14K1
30 Apr 2021£320£4,001£13K£18K2
30 Apr 2020£8,698£3£9,189£6,2731
30 Apr 2019£9,884£8,862£6,205
30 Apr 2018£12K£7,607£4,899
30 Apr 2017£100£100

Who runs and owns Mark Innes Plumbing & Heating Limited

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

Officers (2)

NameRoleAppointed
M*** I***DirectorApr 2016
S*** I***SecretaryApr 2020

Person with significant control

Individual · since Apr 2016
M*** I***
Has significant influence or control

Where Mark Innes Plumbing & Heating Limited is registered

Mark Innes Plumbing & Heating Limited's registered office on a map of the UK

The registered office is in Maldon (CM9), in the Maldon local authority area, East of England. Show CM9 4BW on a map.

Other trade companies in CM9

What happens if Mark Innes Plumbing & Heating 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
10149985
Status
Active
Company type
Private limited company
Incorporated
27 April 2016 (10 years ago)
Registered office
25 Rowan Drive, Heybridge, Maldon, CM9 4BW
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 April (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 April 2025
Last confirmation statement
13 March 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.

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Other active plumbing and heating companies registered in Maldon.

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Frequently asked questions

When are Mark Innes Plumbing & Heating Limited's accounts due?

Mark Innes Plumbing & Heating Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.

When is Mark Innes Plumbing & Heating 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 Mark Innes Plumbing & Heating Limited still trading?

Mark Innes Plumbing & Heating 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 Mark Innes Plumbing & Heating Limited do?

Mark Innes Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Mark Innes Plumbing & Heating Limited?

Mark Innes Plumbing & Heating Limited was incorporated on 27 April 2016, 10 years ago.

Who runs Mark Innes Plumbing & Heating Limited?

Mark Innes Plumbing & Heating Limited has 1 active director, the longest-serving appointed in Apr 2016. Their names and service addresses are on the Companies House register.

Who owns Mark Innes Plumbing & Heating Limited?

One person or company has significant control of Mark Innes Plumbing & Heating Limited: an individual (has significant influence or control).

What is the penalty if Mark Innes Plumbing & Heating 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 Mark Innes Plumbing & Heating 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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