- Companies
- Groundworks and demolition
- Wellingborough
- JJ Groundworks Northampton Ltd
JJ Groundworks Northampton Ltd
- Company number
- 15425111
- Incorporated
- 18 Jan 20242 years trading
- Registered office
- Sterling Offices, 60 Midland Road, Wellingborough, Northants, NN8 1LU
- Nature of business
- Site preparation
JJ Groundworks Northampton Ltd is a 2-year-old private limited company registered in Wellingborough, company number 15425111, one of 7 groundworks and demolition companies in Wellingborough. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £179 on the year before, to £193.
- Current assets of £43K against £53K owed within a year: 0.8 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £193 | £43K | £53K | 3 | |
| 31 Dec 2024 | £14 | £16K | £27K | 2 |
Who runs and owns JJ Groundworks Northampton Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** S*** | Director | Jan 2024 |
People with significant control (3)
Where JJ Groundworks Northampton Ltd is registered
The registered office is in Wellingborough (NN8), in the North Northamptonshire local authority area, East Midlands. Show NN8 1LU on a map.
Other trade companies in NN8
- Coral Recovery LtdMechanics and garages
- Agolli Construction LtdCivil engineering
- Everyguard Property Maintenance LtdBuilders
- Phoenix Exterior Cleaning LtdCleaning companies
- Richservices11 LtdBuilders
- D A Paving LtdFinishing trades
- Id Construction and Renovation Services LtdBuilders
- LS Roofing LtdRoofers
Also registered at this address
21 other companies use the same registered office as JJ Groundworks Northampton Ltd.
- A R Worker Construction LtdFinishing trades
- Apple Expert LtdRepair services
- Archvalley LimitedProperty developers
- Barritt C.S. LtdFinishing trades
- Bromham Electrical LtdElectricians
- Cycle Developments LtdProperty developers
- Deep Groundworks Contracting LtdGroundworks and demolition
- DPH Gas LtdPlumbers and heating engineers
- Easy Screedy LtdInstallers
- Garry Dearman LtdFinishing trades
- Inspire Windscreens LtdMechanics and garages
- Insta Power Electrical Contractors LtdElectricians
- Insta Power LtdElectricians
- K.M.W. Carpenters LimitedJoiners and carpenters
- L & P Elite Roofing LtdRoofers
- LPH Elite Roofing LtdRoofers
- Paul Bunyan Flooring LtdFloor and wall tilers
- RG Brickwork Services LtdSpecialist contractors
- Roll-Tech Services LtdGroundworks and demolition
- Smarter Servicing LtdMachinery repair and installation
- Sticks LtdSpecialist contractors
What happens if JJ Groundworks Northampton 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15425111
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 2024 (2 years ago)
- Registered office
- Sterling Offices, 60 Midland Road, Wellingborough, Northants, NN8 1LU
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 17 January 2026
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 Wellingborough
Other active groundworks and demolition companies registered in Wellingborough.
- Olti Ltd2022
- Roll-Tech Services Ltd2017
- Tiger Landscapes UK Limited2019
- Vai Interiors Ltd2017
- Deep Groundworks Contracting Ltd2025
- DJP Brickworks Limited2013
All groundworks and demolition companies in Wellingborough · All trades in Wellingborough · Groundworks and demolition across the UK
Frequently asked questions
When are JJ Groundworks Northampton Ltd's accounts due?
JJ Groundworks Northampton Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is JJ Groundworks Northampton Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is JJ Groundworks Northampton Ltd still trading?
JJ Groundworks Northampton 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 JJ Groundworks Northampton Ltd do?
JJ Groundworks Northampton Ltd is registered under Site preparation (SIC 43120).
How old is JJ Groundworks Northampton Ltd?
JJ Groundworks Northampton Ltd was incorporated on 18 January 2024, 2 years ago.
Who runs JJ Groundworks Northampton Ltd?
JJ Groundworks Northampton Ltd has 1 active director, the longest-serving appointed in Jan 2024. Their names and service addresses are on the Companies House register.
Who owns JJ Groundworks Northampton Ltd?
3 people or companies have significant control of JJ Groundworks Northampton Ltd: an individual (owns 25% to 50% of the shares); an individual (has significant influence or control); an individual (owns 25% to 50% of the shares).
What is the penalty if JJ Groundworks Northampton 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 JJ Groundworks Northampton 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.