- Companies
- Civil engineering
- Luton
- RJB Mechanical & Plant Hire Ltd
RJB Mechanical & Plant Hire Ltd
- Company number
- 10008275
- Incorporated
- 16 Feb 201610 years trading
- Registered office
- 21 Tylers Mead, Luton, LU2 7XX
- Nature of business
- Construction of other civil engineering projects n.e.c.; Renting and leasing of construction and civil engineering machinery and equipment
RJB Mechanical & Plant Hire Ltd is a 10-year-old private limited company registered in Luton, company number 10008275, one of 164 civil engineering contractors in Luton. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
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 up £24K (+44.5%) on the year before, to £79K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £225K against £147K owed within a year: 1.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £79K | £50K | £225K | £147K | 2 |
| 30 Nov 2024 | £55K | £22K | £139K | £93K | 2 |
| 30 Nov 2023 | -£38K | £23K | £88K | £134K | 2 |
| 30 Nov 2022 | £6,477 | £847 | £36K | £44K | 2 |
| 28 Feb 2022 | £6,647 | £8,067 | £57K | £42K | 2 |
| 28 Feb 2021 | £18K | £6,001 | £64K | £40K | 2 |
| 29 Feb 2020 | £60K | £136 | £92K | £45K | 2 |
| 28 Feb 2019 | £26K | £859 | £24K | £11K | 2 |
| 28 Feb 2018 | £12K | £359 | £359 | £4,842 | 3 |
| 28 Feb 2017 | £18K | £20K |
Where RJB Mechanical & Plant Hire Ltd is registered
The registered office is in Luton (LU2), in the Luton local authority area, East of England. Show LU2 7XX on a map.
Other trade companies in LU2
- Arihant Property Solutions LtdProperty developers
- Prime Pest and Clean LimitedCleaning companies
- QVP Construction LtdBuilders
- Krozy Cleaninig Services LtdCleaning companies
- Iron Clad Construction Devon LimitedBuilders
- Tmi Motors LimitedMechanics and garages
- Scorpion Recovery LtdMechanics and garages
- Cos Plastering LtdBuilders
What happens if RJB Mechanical & Plant Hire 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 10008275
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 February 2016 (10 years ago)
- Registered office
- 21 Tylers Mead, Luton, LU2 7XX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 15 February 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Luton
Other active civil engineering contractors registered in Luton.
- Rose Blue Surveys and Groundworks Ltd2020
- S.Allan Services Ltd2017
- Sa Universal Solutions Limited2018
- Safe Ground Work & Utilities Ltd2023
- Sahi Services Limited2017
- Samuel Safo & Co Ltd2015
- Sayad Engineering Ltd2012
- SGC Groundworks Ltd2025
All civil engineering contractors in Luton · All trades in Luton · Civil engineering across the UK
Frequently asked questions
When are RJB Mechanical & Plant Hire Ltd's accounts due?
RJB Mechanical & Plant Hire Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is RJB Mechanical & Plant Hire Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is RJB Mechanical & Plant Hire Ltd still trading?
RJB Mechanical & Plant Hire 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 RJB Mechanical & Plant Hire Ltd do?
RJB Mechanical & Plant Hire Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320).
How old is RJB Mechanical & Plant Hire Ltd?
RJB Mechanical & Plant Hire Ltd was incorporated on 16 February 2016, 10 years ago.
What is the penalty if RJB Mechanical & Plant Hire 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 RJB Mechanical & Plant Hire 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.