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Mario's Plumbing Limited

ActiveMicro-entity accountsPlumbers and heating engineersReading
Company number
05086230
Incorporated
29 Mar 200422 years trading
Registered office
Field Gate Hyde End Lane, Brimpton, Reading, Berkshire, RG7 4TH
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
84 days
5 Jan 2027
Net assets
£7,667▲
At 5 Apr 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Mario's Plumbing Limited is a 22-year-old private limited company registered in Reading, company number 05086230, one of 221 plumbing and heating companies in Reading. Its next accounts are due at Companies House on 5 January 2027, and the CT600 for the period to 5 April 2026 is due at HMRC on 5 April 2027.

Key dates

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

Accounts due
5 Jan 2027
in 84 days
For the period to 5 Apr 2026
CT600 due
5 Apr 2027
in 174 days
Period 6 Apr 2025 to 5 Apr 2026
Corporation tax payment
6 Jan 2027
in 85 days
9 months and 1 day after the period end
Confirmation statement
7 Apr 2027
in 176 days
Last made up to 24 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 up £7,168 on the year before, to £7,667.
  • Net assets rose in 3 of 9 year-on-year comparisons on record.
  • Current assets of £33K against £25K owed within a year: 1.3 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£5,0005 April 2016: net assets £3,607£3,60720165 April 2017: net assets £2,599£2,59920175 April 2018: net assets £2,095£2,09520185 April 2019: net assets £1,961£1,96120195 April 2020: net assets £8,259£8,25920205 April 2021: net assets £5,928£5,92820215 April 2022: net assets £2,822£2,82220225 April 2023: net assets £392£39220235 April 2024: net assets £499£49920245 April 2025: net assets £7,667£7,6672025
Net assets at each year end, 2016 to 2025£0£5,0005 April 2016: net assets £3,607£3,607'165 April 2017: net assets £2,599£2,599'175 April 2018: net assets £2,095£2,095'185 April 2019: net assets £1,961£1,961'195 April 2020: net assets £8,259£8,259'205 April 2021: net assets £5,928£5,928'215 April 2022: net assets £2,822£2,822'225 April 2023: net assets £392£392'235 April 2024: net assets £499£499'245 April 2025: net assets £7,667£7,667'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
5 Apr 2025£7,667£33K£25K2
5 Apr 2024£499£39K£38K2
5 Apr 2023£392£28K£27K2
5 Apr 2022£2,822£27K£26K2
5 Apr 2021£5,928£26K£24K2
5 Apr 2020£8,259£24K£22K2
5 Apr 2019£1,961£25K£23K
5 Apr 2018£2,095£25K£22K
5 Apr 2017£2,599£26K£23K
5 Apr 2016£3,607£22K£25K£21K

Where Mario's Plumbing Limited is registered

Mario's Plumbing Limited's registered office on a map of the UK

The registered office is in Reading (RG7), in the West Berkshire local authority area, South East. Show RG7 4TH on a map.

Other trade companies in RG7

What happens if Mario's Plumbing 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 5 January 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late6 Jan 2027 to 5 Feb 2027£150
1 to 3 months late6 Feb 2027 to 5 Apr 2027£375
3 to 6 months late6 Apr 2027 to 5 Jul 2027£750
More than 6 months lateFrom 6 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late6 Apr 2027£200
3 months late5 Jul 2027another £200
6 months late5 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late5 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
05086230
Status
Active
Company type
Private limited company
Incorporated
29 March 2004 (22 years ago)
Registered office
Field Gate Hyde End Lane, Brimpton, Reading, Berkshire, RG7 4TH
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
5 April (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
5 April 2025
Last confirmation statement
24 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 Reading.

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Frequently asked questions

When are Mario's Plumbing Limited's accounts due?

Mario's Plumbing Limited's next accounts are due at Companies House by 5 January 2027 (in 84 days), covering the period to 5 April 2026.

When is Mario's Plumbing Limited's CT600 due?

The CT600 for the period to 5 April 2026 is due at HMRC by 5 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2027.

Is Mario's Plumbing Limited still trading?

Mario's Plumbing 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 Mario's Plumbing Limited do?

Mario's Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Mario's Plumbing Limited?

Mario's Plumbing Limited was incorporated on 29 March 2004, 22 years ago.

What is the penalty if Mario's Plumbing 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 Mario's Plumbing 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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