- Companies
- Plumbers and heating engineers
- Carshalton
- Reliable Heating & Plumbing Limited
Reliable Heating & Plumbing Limited
- Company number
- 16305830
- Incorporated
- 10 Mar 20251 year trading
- Registered office
- 180 Thornton Road, Carshalton, SM5 1NF
- Nature of business
- Plumbing, heat and air-conditioning installation
Reliable Heating & Plumbing Limited is a 1-year-old private limited company registered in Carshalton, company number 16305830, one of 35 plumbing and heating companies in Carshalton. Its next accounts are due at Companies House on 10 December 2026, and its first CT600 is due at HMRC on 9 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Reliable Heating & Plumbing Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** S*** | Director | Mar 2025 |
Person with significant control
Where Reliable Heating & Plumbing Limited is registered
The registered office is in Carshalton (SM5), in the Sutton local authority area, London. Show SM5 1NF on a map.
Other trade companies in SM5
- Rich Detailz LtdMechanics and garages
- Sutton Motor and Garage LtdMechanics and garages
- Ecobuild Plumbing & Heating LtdPlumbers and heating engineers
- Aaircon Services LtdPlumbers and heating engineers
- Perthy Properties (Greenhills) LimitedProperty developers
- Jophp LimitedCleaning companies
- Pro-Type Roofing LtdRoofers
- Mic Cleaning LimitedCleaning companies
What happens if Reliable Heating & 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 10 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Dec 2026 to 10 Jan 2027 | £150 |
| 1 to 3 months late | 11 Jan 2027 to 10 Mar 2027 | £375 |
| 3 to 6 months late | 11 Mar 2027 to 10 Jun 2027 | £750 |
| More than 6 months late | From 11 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16305830
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 March 2025 (1 year ago)
- Registered office
- 180 Thornton Road, Carshalton, SM5 1NF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 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.
Similar companies in Carshalton
Other active plumbing and heating companies registered in Carshalton.
- SB Plumbheat Ltd2025
- SM Gas & Plumbing Solutions Ltd2018
- TH Waldens Limited2012
- TJF Plumbing & Heating Ltd2025
- UK Bathrooms and Plumbing Ltd2021
- Waters Heating Limited2021
- Zenith Building Solution Ltd2021
- A D Williams Plumbing Ltd2024
All plumbing and heating companies in Carshalton · All trades in Carshalton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Reliable Heating & Plumbing Limited's accounts due?
Reliable Heating & Plumbing Limited's next accounts are due at Companies House by 10 December 2026 (in 58 days), covering the period to 31 March 2026.
When is Reliable Heating & Plumbing 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 9 March 2026, due by 9 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Reliable Heating & Plumbing Limited still trading?
Reliable Heating & 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 Reliable Heating & Plumbing Limited do?
Reliable Heating & Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Reliable Heating & Plumbing Limited?
Reliable Heating & Plumbing Limited was incorporated on 10 March 2025, 1 year ago.
Who runs Reliable Heating & Plumbing Limited?
Reliable Heating & Plumbing Limited has 1 active director, the longest-serving appointed in Mar 2025. Their names and service addresses are on the Companies House register.
Who owns Reliable Heating & Plumbing Limited?
One person or company has significant control of Reliable Heating & Plumbing Limited: an individual (owns 75% or more of the shares).
What is the penalty if Reliable Heating & 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 Reliable Heating & Plumbing 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.