- Companies
- Plumbers and heating engineers
- Harrow
- The Chalfonts Plumbing & Heating Company Limited
The Chalfonts Plumbing & Heating Company Limited
- Company number
- 15489921
- Incorporated
- 14 Feb 20242 years trading
- Registered office
- C/O Delta House Limited, Phoenix Business Centre, Rosslyn Crescent, Harrow, Middlesex, HA1 2SP
- Nature of business
- Plumbing, heat and air-conditioning installation
The Chalfonts Plumbing & Heating Company Limited is a 2-year-old private limited company registered in Harrow, company number 15489921, one of 154 plumbing and heating companies in Harrow. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 27 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 27 February 2025, as filed at Companies House.
Where The Chalfonts Plumbing & Heating Company Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2SP on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Shared registered office
71 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if The Chalfonts Plumbing & Heating Company 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
- 15489921
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 February 2024 (2 years ago)
- Registered office
- C/O Delta House Limited, Phoenix Business Centre, Rosslyn Crescent, Harrow, Middlesex, HA1 2SP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 27 February 2025
- Last confirmation statement
- 13 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 Harrow
Other active plumbing and heating companies registered in Harrow.
- Thermal Glow Limited2020
- True North Mechanical Ltd.2016
- TVP Fire Ltd2022
- UK Drainage Solutions Limited2020
- UK Gas & Plumbing Limited2011
- Universal Heating & Plumbing Limited2003
- Uts Heating Ltd2026
- Vaillant Engineer Limited2019
All plumbing and heating companies in Harrow · All trades in Harrow · Plumbers and heating engineers across the UK
Frequently asked questions
When are The Chalfonts Plumbing & Heating Company Limited's accounts due?
The Chalfonts Plumbing & Heating Company 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 The Chalfonts Plumbing & Heating Company Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 27 February 2026, due by 27 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is The Chalfonts Plumbing & Heating Company Limited still trading?
The Chalfonts Plumbing & Heating Company 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 The Chalfonts Plumbing & Heating Company Limited do?
The Chalfonts Plumbing & Heating Company Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is The Chalfonts Plumbing & Heating Company Limited?
The Chalfonts Plumbing & Heating Company Limited was incorporated on 14 February 2024, 2 years ago.
What is the penalty if The Chalfonts Plumbing & Heating Company 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 The Chalfonts Plumbing & Heating Company 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.