- Companies
- Specialist contractors
- Newcastle upon Tyne
- J Renton Groundworks Limited
J Renton Groundworks Limited
- Company number
- 04368769
- Incorporated
- 7 Feb 200224 years trading
- Registered office
- 57 North Road, Ponteland, Newcastle upon Tyne, Northumberland, NE20 9UN
- Nature of business
- Other specialised construction activities n.e.c.
J Renton Groundworks Limited is a 24-year-old private limited company registered in Newcastle upon Tyne, company number 04368769, one of 152 specialist construction companies in Newcastle upon Tyne. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 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 £58K (-22.6%) on the year before, to £198K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £199K against £393K owed within a year: 0.5 times cover.
- 13 employees on average, down from 15 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £198K | £1 | £199K | £393K | 13 |
| 31 Mar 2024 | £256K | £1 | £317K | £490K | 15 |
| 31 Mar 2023 | £293K | £98K | £310K | £430K | 19 |
| 31 Mar 2022 | £197K | £24K | £186K | £404K | 11 |
| 31 Mar 2021 | £198K | £23K | £243K | £442K | 11 |
| 31 Mar 2020 | £164K | £104K | £292K | £520K | 25 |
| 31 Mar 2019 | £332K | £60K | £690K | £724K | 18 |
| 31 Mar 2018 | £248K | £48K | £239K | £330K | 11 |
| 31 Mar 2017 | £322K | £15K | £261K | £280K | 10 |
| 31 Mar 2016 | £334K | £18K | £288K | £273K | 10 |
Where J Renton Groundworks Limited is registered
The registered office is in Newcastle upon Tyne (NE20), in the Northumberland local authority area, North East. Show NE20 9UN on a map.
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What happens if J Renton 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 30 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 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 | 31 Mar 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 | 30 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
- 04368769
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 2002 (24 years ago)
- Registered office
- 57 North Road, Ponteland, Newcastle upon Tyne, Northumberland, NE20 9UN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 February 2026
- Charges (mortgages)
- 2 outstanding of 2 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 Newcastle upon Tyne
Other active specialist construction companies registered in Newcastle upon Tyne.
- J.T. Cuthbert Limited2012
- Jackson Access and Painting Limited2026
- JB Pinnacle Ltd2026
- JC Rigging & Lifting Ltd2026
- Jimmy Bates Piping Services Limited2009
- JK Lifting Equipment Ltd2017
- K P Access Ltd2024
- Kam Landscaping & Groundworks Limited2017
All specialist construction companies in Newcastle upon Tyne · All trades in Newcastle upon Tyne · Specialist contractors across the UK
Frequently asked questions
When are J Renton Groundworks Limited's accounts due?
J Renton Groundworks Limited's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is J Renton Groundworks Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is J Renton Groundworks Limited still trading?
J Renton 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 J Renton Groundworks Limited do?
J Renton Groundworks Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is J Renton Groundworks Limited?
J Renton Groundworks Limited was incorporated on 7 February 2002, 24 years ago.
What is the penalty if J Renton 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 J Renton 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.