- Companies
- Plumbers and heating engineers
- Sutton
- Modern Boiler Limited
Modern Boiler Limited
- 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
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.
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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
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £462 | £33K | £33K | 1 | |
| 29 Feb 2024 | £2,454 | £22K | £19K | 1 | |
| 28 Feb 2023 | £1,254 | £15K | 1 | ||
| 28 Feb 2022 | £37K | £108K | £71K | 2 |
Where Modern Boiler Limited is registered
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
- Stent Projects London LtdBuilders
- Ry Rigging Services LtdInstallers
- JP Plumbing, Heating & Drainage Solutions LtdPlumbers and heating engineers
- MR & Sons Roofing & Building LtdBuilders
- Velora Facilities LimitedCleaning companies
- Sparkle Shark LtdCleaning companies
- GL Building Solutions LtdBuilders
- Bespoke Air Design and Installation LimitedPlumbers and heating engineers
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 House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2028 | another 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.
- Monster Drainage Limited2025
- Moorhouse Heating & Plumbing Limited2026
- MPT Heating & Plumbing Ltd2022
- MR H2O Ltd2014
- Mulgrave Heating Limited2003
- Muneris Limited2009
- Myk Plumbing and Heating Services Ltd2025
- Nexus Group Limited2020
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.
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.