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Mark & Mark Construction Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersRomford
Company number
15196713
Incorporated
9 Oct 20233 years trading
Registered office
15 Vignoles Road, Romford, RM7 0DT
Nature of business
Plumbing, heat and air-conditioning installation; Other construction installation; Other specialised construction activities n.e.c.
Accounts due in
292 days
31 Jul 2027
Net assets
£15K▲
+134.1% on the year before
Cash at bank
£60▼
At 31 Oct 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Mark & Mark Construction Ltd is a 3-year-old private limited company registered in Romford, company number 15196713, one of 163 plumbing and heating companies in Romford. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.

Key dates

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

Accounts due
31 Jul 2027
in 292 days
For the period to 31 Oct 2026
CT600 due
31 Oct 2027
in 384 days
Period 1 Nov 2025 to 31 Oct 2026
Corporation tax payment
1 Aug 2027
in 293 days
9 months and 1 day after the period end
Confirmation statement
22 Oct 2026
in 10 days
Last made up to 8 Oct 2025

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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 up £60K (+134.1%) on the year before, to £15K.
  • Current assets of £46K against £84K owed within a year: 0.6 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 2 years, 2024 to 2025.

Net assets by year

Net assets at each year end, 2024 to 2025-£25K£031 October 2024: net assets -£45K-£45K202431 October 2025: net assets £15K£15K2025
Net assets at each year end, 2024 to 2025-£25K£031 October 2024: net assets -£45K-£45K202431 October 2025: net assets £15K£15K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2025£15K£60£46K£84K1
31 Oct 2024-£45K£70K£84K£188K1

Who runs and owns Mark & Mark Construction Ltd

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

Officer

NameRoleAppointed
M*** A***DirectorOct 2024
1 former officer
NameRoleAppointedLeft
H*** N***DirectorOct 2023Oct 2024

Person with significant control

Individual · since Oct 2024
M*** A***
Owns 75% or more of the shares
Holds 75% or more of the votes

Where Mark & Mark Construction Ltd is registered

Mark & Mark Construction Ltd's registered office on a map of the UK

The registered office is in Romford (RM7), in the Havering local authority area, London. Show RM7 0DT on a map.

Other trade companies in RM7

What happens if Mark & Mark Construction Ltd 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 July 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Aug 2027 to 31 Aug 2027£150
1 to 3 months late1 Sep 2027 to 31 Oct 2027£375
3 to 6 months late1 Nov 2027 to 31 Jan 2028£750
More than 6 months lateFrom 1 Feb 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Nov 2027£200
3 months late31 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Oct 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
15196713
Status
Active
Company type
Private limited company
Incorporated
9 October 2023 (3 years ago)
Registered office
15 Vignoles Road, Romford, RM7 0DT
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 October (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 October 2025
Last confirmation statement
8 October 2025

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 Romford

Other active plumbing and heating companies registered in Romford.

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

Frequently asked questions

When are Mark & Mark Construction Ltd's accounts due?

Mark & Mark Construction Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.

When is Mark & Mark Construction Ltd's CT600 due?

The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.

Is Mark & Mark Construction Ltd still trading?

Mark & Mark Construction Ltd 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 & Mark Construction Ltd do?

Mark & Mark Construction Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).

How old is Mark & Mark Construction Ltd?

Mark & Mark Construction Ltd was incorporated on 9 October 2023, 3 years ago.

Who runs Mark & Mark Construction Ltd?

Mark & Mark Construction Ltd has 1 active director, the longest-serving appointed in Oct 2024. Their names and service addresses are on the Companies House register.

Who owns Mark & Mark Construction Ltd?

One person or company has significant control of Mark & Mark Construction Ltd: an individual (owns 75% or more of the shares).

What is the penalty if Mark & Mark Construction Ltd 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 & Mark Construction Ltd 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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