- Companies
- Specialist contractors
- Castleford
- RD Mechanical Limited
RD Mechanical Limited
- Company number
- 06313941
- Incorporated
- 16 Jul 200719 years trading
- Registered office
- 146 Lumley Street, Castleford, West Yorkshire, WF10 5LZ
- Nature of business
- Other specialised construction activities n.e.c.
RD Mechanical Limited is a 19-year-old private limited company registered in Castleford, company number 06313941, one of 22 specialist construction companies in Castleford. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 down £40K (-16.3%) on the year before, to £204K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £104K against £8,670 owed within a year: more than 10 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £204K | £41K | £104K | £8,670 | 5 |
| 31 Mar 2024 | £244K | £135K | £400 | 5 | |
| 31 Mar 2023 | £232K | £18K | £136K | £4,297 | 5 |
| 31 Mar 2022 | £203K | £6,517 | £125K | £3,619 | 5 |
| 31 Mar 2021 | £193K | £174K | 10 | ||
| 31 Dec 2019 | £92K | £55K | 6 | ||
| 31 Dec 2018 | £66K | £45K | £0 | ||
| 31 Dec 2017 | £72K | £48K | £5,785 | ||
| 31 Dec 2016 | £73K | £58K | £25K | ||
| 31 Dec 2015 | £68K | £30K | £65K | £14K |
Who runs and owns RD Mechanical Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** D*** | Director | Jul 2007 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** S*** | Secretary | Jul 2007 | May 2025 |
Person with significant control
Charges (secured borrowing)
1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| National Westminster Bank PLC | Outstanding | Jan 2022 |
Where RD Mechanical Limited is registered
The registered office is in Castleford (WF10), in the Wakefield local authority area, Yorkshire and The Humber. Show WF10 5LZ on a map.
Other trade companies in WF10
- Manor Select LtdMotor traders
- Agi Group LtdBuilders
- Kevmacwind LtdBuilders
- Redmark Fire LimitedInstallers
- Redline Fire LtdInstallers
- Deighton Decorators LtdPainters and decorators
- Hellas Roofing LtdRoofers
- McHugh Scaffolding LtdScaffolders
What happens if RD Mechanical 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 06313941
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 July 2007 (19 years ago)
- Registered office
- 146 Lumley Street, Castleford, West Yorkshire, WF10 5LZ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 16 July 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Castleford
Other active specialist construction companies registered in Castleford.
- Renewable Lifting Consultants Ltd2021
- Rigby Joinery Ltd2018
- Salian Engineering Limited2005
- Scurrantesting Limited2024
- Smart Gas Utilities Limited2010
- Steadwell Services Ltd2014
- System Hygienics Limited1976
- When Access Is Ltd2022
All specialist construction companies in Castleford · All trades in Castleford · Specialist contractors across the UK
Frequently asked questions
When are RD Mechanical Limited's accounts due?
RD Mechanical Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is RD Mechanical Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is RD Mechanical Limited still trading?
RD Mechanical 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 RD Mechanical Limited do?
RD Mechanical Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is RD Mechanical Limited?
RD Mechanical Limited was incorporated on 16 July 2007, 19 years ago.
Who runs RD Mechanical Limited?
RD Mechanical Limited has 1 active director, the longest-serving appointed in Jul 2007. Their names and service addresses are on the Companies House register.
Who owns RD Mechanical Limited?
One person or company has significant control of RD Mechanical Limited: an individual (owns 75% or more of the shares).
What is the penalty if RD Mechanical 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 RD Mechanical 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.