- Companies
- Groundworks and demolition
- Blackwood
- RDJ Groundworks Limited
RDJ Groundworks Limited
- Company number
- 13535545
- Incorporated
- 28 Jul 20215 years trading
- Registered office
- 68 Sunnybank Road, Sunnybank Road, Blackwood, NP12 1HZ
- Nature of business
- Site preparation
RDJ Groundworks Limited is a 5-year-old private limited company registered in Blackwood, company number 13535545, one of 6 groundworks and demolition companies in Blackwood. 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 up £73K (+155.1%) on the year before, to £121K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £215K against £147K owed within a year: 1.5 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £121K | £72K | £215K | £147K | 2 |
| 31 Mar 2024 | £47K | £19K | £76K | £111K | 1 |
| 31 Mar 2023 | £7,069 | £71K | £56K | 1 | |
| 31 Mar 2022 | £4,029 | £11K | £12K | 1 |
Who runs and owns RDJ Groundworks Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| D*** J*** | Director | Jul 2021 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| M*** D*** | Director | Jul 2021 | Jul 2021 |
| K*** J*** | Director | Jul 2024 | Aug 2024 |
Person with significant control
Charges (secured borrowing)
2 of 2 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Bizcap Limited | Outstanding | Sep 2026 |
| Nucleus Cash Flow Finance2 Limited | Outstanding | Apr 2026 |
Where RDJ Groundworks Limited is registered
The registered office is in Blackwood (NP12), in the Caerphilly local authority area, Wales. Show NP12 1HZ on a map.
Other trade companies in NP12
- Hohm Property Group LtdProperty developers
- R&C Mechanics LimitedMechanics and garages
- M & R Property Solutions (SW) LimitedFinishing trades
- JLH Scaffolding LtdScaffolders
- SM Contracting SW LtdBuilders
- Top Notch Carpentry Services LimitedInstallers
- Cardiff Bathrooms LtdFinishing trades
- CB Brickwork & Building LtdSpecialist contractors
Also registered at this address
3 other companies use the same registered office as RDJ Groundworks Limited.
- RDJ Construction SW LtdBuilders
- RDJ Demolition LtdGroundworks and demolition
- RDJ Scaffolding LtdScaffolders
What happens if RDJ Groundworks 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
- 13535545
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2021 (5 years ago)
- Registered office
- 68 Sunnybank Road, Sunnybank Road, Blackwood, NP12 1HZ
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 21 April 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Blackwood
Other active groundworks and demolition companies registered in Blackwood.
- Ag James & Son (Plant Hire) Limited2008
- D&M Plant Hire & Utilities Limited2020
- Darren Lewis Transport Limited2013
- Itg Groundworks Ltd2026
- RDJ Demolition Ltd2026
All groundworks and demolition companies in Blackwood · All trades in Blackwood · Groundworks and demolition across the UK
Frequently asked questions
When are RDJ Groundworks Limited's accounts due?
RDJ Groundworks Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is RDJ Groundworks 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 RDJ Groundworks Limited still trading?
RDJ Groundworks 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 RDJ Groundworks Limited do?
RDJ Groundworks Limited is registered under Site preparation (SIC 43120).
How old is RDJ Groundworks Limited?
RDJ Groundworks Limited was incorporated on 28 July 2021, 5 years ago.
Who runs RDJ Groundworks Limited?
RDJ Groundworks Limited has 1 active director, the longest-serving appointed in Jul 2021. Their names and service addresses are on the Companies House register.
Who owns RDJ Groundworks Limited?
One person or company has significant control of RDJ Groundworks Limited: Rdj Group Holdings Ltd (owns 75% or more of the shares).
What is the penalty if RDJ Groundworks 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 RDJ Groundworks 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.