- Companies
- Plumbers and heating engineers
- London
- Radiant Heating Specialists Ltd
Radiant Heating Specialists Ltd
- Company number
- 17168856
- Incorporated
- 20 Apr 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Plumbing, heat and air-conditioning installation
Radiant Heating Specialists Ltd is a newly incorporated private limited company registered in London, company number 17168856, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 20 January 2028, and its first CT600 is due at HMRC on 19 April 2028.
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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Where Radiant Heating Specialists Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
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- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 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 Radiant Heating Specialists Ltd 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 20 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Jan 2028 to 20 Feb 2028 | £150 |
| 1 to 3 months late | 21 Feb 2028 to 20 Apr 2028 | £375 |
| 3 to 6 months late | 21 Apr 2028 to 20 Jul 2028 | £750 |
| More than 6 months late | From 21 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17168856
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 April 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active plumbing and heating companies registered in London.
- Radius Aquaheat Services Limited2010
- Raelec Ltd2023
- Raitis Line Limited2026
- Rambler Painting Decorators Ltd2019
- Ramki Heating Limited2017
- Ramsay Plumbing Ltd2016
- Rapid Drainage and Plumbing Ltd2023
- Rapid Fix Plumbers Ltd2025
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Radiant Heating Specialists Ltd's accounts due?
Radiant Heating Specialists Ltd's next accounts are due at Companies House by 20 January 2028 (in 464 days), covering the period to 30 April 2027.
When is Radiant Heating Specialists Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 April 2027, due by 19 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Radiant Heating Specialists Ltd still trading?
Radiant Heating Specialists Ltd 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 Radiant Heating Specialists Ltd do?
Radiant Heating Specialists Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Radiant Heating Specialists Ltd?
Radiant Heating Specialists Ltd was incorporated on 20 April 2026, less than a year ago.
What is the penalty if Radiant Heating Specialists Ltd 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 Radiant Heating Specialists Ltd 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.