- Companies
- Plumbers and heating engineers
- Harrow
- RDH Plumbing and Heating Limited
RDH Plumbing and Heating Limited
- Company number
- 11713288
- Incorporated
- 5 Dec 20187 years trading
- Registered office
- 8 Peterborough Road, Harrow, HA1 2BQ
- Nature of business
- Plumbing, heat and air-conditioning installation
RDH Plumbing and Heating Limited is a 7-year-old private limited company registered in Harrow, company number 11713288, one of 154 plumbing and heating companies in Harrow. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where RDH Plumbing and Heating Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2BQ 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
Also registered at this address
18 other companies use the same registered office as RDH Plumbing and Heating Limited.
- Alan C Ford (Roy Road) LtdBuilders
- Alma Enterprise Ltd.Property developers
- Constructco LimitedProperty developers
- DB1 LtdMotor traders
- Flexectrix LtdElectricians
- Hestia Homes London LimitedBuilders
- K.J. Electrical Services LimitedElectricians
- Keymech LtdMechanics and garages
- Lupin Garden Services LimitedLandscapers and gardeners
- PCM Construction LimitedSpecialist contractors
- Phil Bamforth Consulting LimitedSpecialist contractors
- Riverhill Group LtdProperty developers
- Riverhill LtdProperty developers
- Shutter Your House LimitedInstallers
- Waite Design LtdBuilders
- Wiggins Services LimitedElectricians
- Woodlands Park LimitedBuilders
- Woodlands Park London LimitedBuilders
What happens if RDH Plumbing and Heating 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 11713288
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 December 2018 (7 years ago)
- Registered office
- 8 Peterborough Road, Harrow, HA1 2BQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 December 2025
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.
- RDM Works Ltd2019
- Reach Out Plumbing & Services Ltd2022
- RHD Gas & Plumb Ltd2017
- RMC Plumbing Services Limited2025
- Rob VS Ltd2018
- Room Temperature Solution Limited2024
- Russell Black Limited1967
- Rutva Enterprise Ltd2018
All plumbing and heating companies in Harrow · All trades in Harrow · Plumbers and heating engineers across the UK
Frequently asked questions
When are RDH Plumbing and Heating Limited's accounts due?
RDH Plumbing and Heating Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is RDH Plumbing and Heating Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is RDH Plumbing and Heating Limited still trading?
RDH Plumbing and Heating 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 RDH Plumbing and Heating Limited do?
RDH Plumbing and Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is RDH Plumbing and Heating Limited?
RDH Plumbing and Heating Limited was incorporated on 5 December 2018, 7 years ago.
What is the penalty if RDH Plumbing and Heating 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 RDH Plumbing and Heating 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.