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Masons Plumbing & Heating Contractors Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersDoncaster
Company number
12071075
Incorporated
26 Jun 20197 years trading
Registered office
84 Nutwell Lane, Armthorpe, Doncaster, DN3 3JH
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
229 days
30 May 2027
Net assets
£40K▲
+6.4% on the year before
Cash at bank
£10K▼
At 30 Aug 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Masons Plumbing & Heating Contractors Ltd is a 7-year-old private limited company registered in Doncaster, company number 12071075, one of 150 plumbing and heating companies in Doncaster. Its next accounts are due at Companies House on 30 May 2027, and the CT600 for the period to 30 August 2026 is due at HMRC on 30 August 2027.

Key dates

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

Accounts due
30 May 2027
in 229 days
For the period to 30 Aug 2026
CT600 due
30 Aug 2027
in 321 days
Period 31 Aug 2025 to 30 Aug 2026
Corporation tax payment
31 May 2027
in 230 days
9 months and 1 day after the period end
Confirmation statement
9 Jul 2027
in 269 days
Last made up to 25 Jun 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 up £2,418 (+6.4%) on the year before, to £40K.
  • Net assets rose in 4 of 5 year-on-year comparisons on record.
  • Current assets of £1M against £59K owed within a year: more than 10 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 6 years, 2020 to 2025.

Net assets by year

Net assets at each year end, 2020 to 2025£0£25K£50K31 August 2020: net assets £26K£26K202031 August 2021: net assets £35K£35K202131 August 2022: net assets £60K£60K202230 August 2023: net assets £35K£35K202330 August 2024: net assets £38K£38K202430 August 2025: net assets £40K£40K2025
Net assets at each year end, 2020 to 2025£0£25K£50K31 August 2020: net assets £26K£26K202031 August 2021: net assets £35K£35K202131 August 2022: net assets £60K£60K202230 August 2023: net assets £35K£35K202330 August 2024: net assets £38K£38K202430 August 2025: net assets £40K£40K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Aug 2025£40K£10K£1M£59K2
30 Aug 2024£38K£39K£753K£69K2
30 Aug 2023£35K£9,646£86K£58K2
31 Aug 2022£60K£53K£10K2
31 Aug 2021£35K£130K£66K2
31 Aug 2020£26K£32K£12K2

Who runs and owns Masons Plumbing & Heating Contractors Ltd

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

Officers (3)

NameRoleAppointed
D*** M***DirectorJun 2019
N*** M***DirectorJul 2025
N*** M***SecretaryJun 2019

People with significant control (2)

Individual · since Jul 2025
N*** M***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Individual · since Jun 2019
D*** M***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Can appoint and remove directors

Where Masons Plumbing & Heating Contractors Ltd is registered

Masons Plumbing & Heating Contractors Ltd's registered office on a map of the UK

The registered office is in Doncaster (DN3), in the Doncaster local authority area, Yorkshire and The Humber. Show DN3 3JH on a map.

Other trade companies in DN3

What happens if Masons Plumbing & Heating Contractors 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 30 May 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late31 May 2027 to 30 Jun 2027£150
1 to 3 months late1 Jul 2027 to 30 Aug 2027£375
3 to 6 months late31 Aug 2027 to 30 Nov 2027£750
More than 6 months lateFrom 1 Dec 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late31 Aug 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Aug 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
12071075
Status
Active
Company type
Private limited company
Incorporated
26 June 2019 (7 years ago)
Registered office
84 Nutwell Lane, Armthorpe, Doncaster, DN3 3JH
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 August (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 August 2025
Last confirmation statement
25 June 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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Frequently asked questions

When are Masons Plumbing & Heating Contractors Ltd's accounts due?

Masons Plumbing & Heating Contractors Ltd's next accounts are due at Companies House by 30 May 2027 (in 229 days), covering the period to 30 August 2026.

When is Masons Plumbing & Heating Contractors Ltd's CT600 due?

The CT600 for the period to 30 August 2026 is due at HMRC by 30 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 May 2027.

Is Masons Plumbing & Heating Contractors Ltd still trading?

Masons Plumbing & Heating Contractors 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 Masons Plumbing & Heating Contractors Ltd do?

Masons Plumbing & Heating Contractors Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Masons Plumbing & Heating Contractors Ltd?

Masons Plumbing & Heating Contractors Ltd was incorporated on 26 June 2019, 7 years ago.

Who runs Masons Plumbing & Heating Contractors Ltd?

Masons Plumbing & Heating Contractors Ltd has 2 active directors, the longest-serving appointed in Jun 2019. Their names and service addresses are on the Companies House register.

Who owns Masons Plumbing & Heating Contractors Ltd?

2 people or companies have significant control of Masons Plumbing & Heating Contractors Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).

What is the penalty if Masons Plumbing & Heating Contractors 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 Masons Plumbing & Heating Contractors 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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