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  4. Modern Boiler Limited

Modern Boiler Limited

ActiveMicro-entity accountsPlumbers and heating engineersSutton
Company number
13188907
Incorporated
9 Feb 20215 years trading
Registered office
7 Albion Road, Sutton, SM2 5TA
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
48 days
30 Nov 2026
Net assets
£462▼
-81.2% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Modern Boiler Limited is a 5-year-old private limited company registered in Sutton, company number 13188907, one of 114 plumbing and heating companies in Sutton. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.

Key dates

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

Accounts due
30 Nov 2026
in 48 days
For the period to 28 Feb 2026
CT600 due
28 Feb 2027
in 138 days
Period 1 Mar 2025 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 49 days
9 months and 1 day after the period end
Confirmation statement
22 Feb 2027
in 132 days
Last made up to 8 Feb 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 £1,992 (-81.2%) on the year before, to £462.
  • Net assets rose in 1 of 3 year-on-year comparisons on record.
  • Current assets of £33K against £33K owed within a year: 1.0 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 4 years, 2022 to 2025.

Net assets by year

Net assets at each year end, 2022 to 2025£0£20K28 February 2022: net assets £37K£37K202228 February 2023: net assets £1,254£1,254202329 February 2024: net assets £2,454£2,454202428 February 2025: net assets £462£4622025
Net assets at each year end, 2022 to 2025£0£20K28 February 2022: net assets £37K£37K202228 February 2023: net assets £1,254£1,254202329 February 2024: net assets £2,454£2,454202428 February 2025: net assets £462£4622025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2025£462£33K£33K1
29 Feb 2024£2,454£22K£19K1
28 Feb 2023£1,254£15K1
28 Feb 2022£37K£108K£71K2

Where Modern Boiler Limited is registered

Modern Boiler Limited's registered office on a map of the UK

The registered office is in Sutton (SM2), in the Sutton local authority area, London. Show SM2 5TA on a map.

Other trade companies in SM2

What happens if Modern Boiler 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 30 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2026 to 31 Dec 2026£150
1 to 3 months late1 Jan 2027 to 28 Feb 2027£375
3 to 6 months late1 Mar 2027 to 31 May 2027£750
More than 6 months lateFrom 1 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
13188907
Status
Active
Company type
Private limited company
Incorporated
9 February 2021 (5 years ago)
Registered office
7 Albion Road, Sutton, SM2 5TA
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
29 February (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
28 February 2025
Last confirmation statement
8 February 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 Sutton

Other active plumbing and heating companies registered in Sutton.

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

Frequently asked questions

When are Modern Boiler Limited's accounts due?

Modern Boiler Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.

When is Modern Boiler Limited's CT600 due?

The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.

Is Modern Boiler Limited still trading?

Modern Boiler 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 Modern Boiler Limited do?

Modern Boiler Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Modern Boiler Limited?

Modern Boiler Limited was incorporated on 9 February 2021, 5 years ago.

What is the penalty if Modern Boiler 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 Modern Boiler 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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