- Companies
- Plumbers and heating engineers
- Reading
- JRM Mechanical Ltd
JRM Mechanical Ltd
- Company number
- 17204066
- Incorporated
- 7 May 2026
- Registered office
- 123 Amersham Road, Caversham, Reading, Berkshire, RG4 5BQ
- Nature of business
- Plumbing, heat and air-conditioning installation
JRM Mechanical Ltd is a newly incorporated private limited company registered in Reading, company number 17204066, one of 221 plumbing and heating companies in Reading. Its next accounts are due at Companies House on 7 February 2028, and its first CT600 is due at HMRC on 6 May 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 JRM Mechanical Ltd is registered
The registered office is in Reading (RG4), in the Reading local authority area, South East. Show RG4 5BQ on a map.
Other trade companies in RG4
- Soma Garden LtdLandscapers and gardeners
- Katharos Cleaning Specialist LimitedCleaning companies
- Cosi Cool LtdPlumbers and heating engineers
- Hadley Home Renovations LimitedBuilders
- Ahmz Motor Group LtdMotor traders
- Green Workspaces LtdLandscapers and gardeners
- Nature Wipes LtdCleaning companies
- Dukes Conservation LimitedSpecialist contractors
What happens if JRM Mechanical 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 7 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Feb 2028 to 7 Mar 2028 | £150 |
| 1 to 3 months late | 8 Mar 2028 to 7 May 2028 | £375 |
| 3 to 6 months late | 8 May 2028 to 7 Aug 2028 | £750 |
| More than 6 months late | From 8 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17204066
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2026
- Registered office
- 123 Amersham Road, Caversham, Reading, Berkshire, RG4 5BQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (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 Reading
Other active plumbing and heating companies registered in Reading.
- JT Heat Limited2025
- K.A.S Plumbing and Heating Limited2016
- KH Plumbing Services Ltd2024
- King Energy Heating and Plumbing Ltd2021
- LJ Renewable Heating Ltd2023
- Loddon Gas&Plumbing Ltd2021
- Loddon Heating Limited2021
- LSN Plumbing & Heating Ltd2021
All plumbing and heating companies in Reading · All trades in Reading · Plumbers and heating engineers across the UK
Frequently asked questions
When are JRM Mechanical Ltd's accounts due?
JRM Mechanical Ltd's next accounts are due at Companies House by 7 February 2028 (in 483 days), covering the period to 31 May 2027.
When is JRM Mechanical 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 6 May 2027, due by 6 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is JRM Mechanical Ltd still trading?
JRM Mechanical 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 JRM Mechanical Ltd do?
JRM Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JRM Mechanical Ltd?
JRM Mechanical Ltd was incorporated on 7 May 2026, less than a year ago.
What is the penalty if JRM Mechanical 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 JRM Mechanical 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.