- Companies
- Finishing trades
- Romford
- RJH Mechanical Services Ltd
RJH Mechanical Services Ltd
- Company number
- 11706450
- Incorporated
- 30 Nov 20187 years trading
- Registered office
- Mastercool House, 220 Main Road, Romford, Essex, RM2 5HA
- Nature of business
- Other building completion and finishing
RJH Mechanical Services Ltd is a 7-year-old private limited company registered in Romford, company number 11706450, one of 283 building finishing companies in Romford. Companies House shows its accounts as overdue: they were due on 31 August 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £168K (-346.1%) on the year before, to -£120K.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- Current assets of £105K against £241K owed within a year: 0.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | -£120K | £105K | £241K | 1 | |
| 30 Nov 2023 | £49K | £115K | £425K | £393K | 1 |
| 30 Nov 2022 | £64K | £101K | £308K | £237K | 1 |
| 30 Nov 2021 | £240 | £220K | £237K | 1 | |
| 30 Nov 2020 | £791 | £15K | £88K | £90K | 1 |
| 29 Nov 2020 | £791 | £88K | £90K | 1 | |
| 30 Nov 2019 | £3,251 | £4,434 | £19K | £20K | 1 |
Where RJH Mechanical Services Ltd is registered
The registered office is in Romford (RM2), in the Havering local authority area, London. Show RM2 5HA on a map.
Other trade companies in RM2
- Andronix Construction LtdBuilders
- S A Auto Traders LtdMotor traders
- RGM Site Services LtdElectricians
- Emma Cleaning Group LtdCleaning companies
- GD Spray LimitedSpecialist contractors
- Spaiced LtdCleaning companies
- Follyjay LtdBuilders
- Dubai Real Estate and Management LtdFacilities management
Also registered at this address
1 other company uses the same registered office as RJH Mechanical Services Ltd.
- DPM Property Services LimitedProperty developers
What happens if RJH Mechanical Services Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 11706450
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 November 2018 (7 years ago)
- Registered office
- Mastercool House, 220 Main Road, Romford, Essex, RM2 5HA
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 29 November 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Romford
Other active building finishing companies registered in Romford.
- RMK Heat Pumps & Construction Ltd2017
- RP Line Construction Ltd2014
- Rustic Tiles UK Limited2016
- S & S Design & Build Ltd2014
- S J Matthews & Son Limited2006
- S Nicolae Construct & Logistic Ltd2024
- S&A Builders London Limited2019
- S&L Wellhome Limited2026
All building finishing companies in Romford · All trades in Romford · Finishing trades across the UK
Frequently asked questions
When are RJH Mechanical Services Ltd's accounts due?
RJH Mechanical Services Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is RJH Mechanical Services Ltd's CT600 due?
The CT600 for the period to 30 November 2025 is due at HMRC by 30 November 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2026.
Is RJH Mechanical Services Ltd still trading?
RJH Mechanical Services Ltd is listed as active on the Companies House register (checked 13 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 RJH Mechanical Services Ltd do?
RJH Mechanical Services Ltd is registered under Other building completion and finishing (SIC 43390).
How old is RJH Mechanical Services Ltd?
RJH Mechanical Services Ltd was incorporated on 30 November 2018, 7 years ago.
What is the penalty if RJH Mechanical Services 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 RJH Mechanical Services Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.