- Companies
- Property developers
- Larne
- CJM Groundworks Limited
CJM Groundworks Limited
- Company number
- NI653209
- Incorporated
- 22 May 20188 years trading
- Registered office
- 28 Ballyrickard Road, Larne, BT40 3EQ
- Nature of business
- Development of building projects
CJM Groundworks Limited is a 8-year-old private limited company registered in Larne, company number NI653209, one of 15 property development companies in Larne. Its next accounts are due at Companies House on 24 February 2027, and the CT600 for the period to 24 May 2026 is due at HMRC on 24 May 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 £17K (+686.8%) on the year before, to £19K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £42K against £142K owed within a year: 0.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 24 May 2025 | £19K | £42K | £142K | 2 | |
| 31 May 2024 | £2,429 | £19K | £83K | 2 | |
| 31 May 2023 | £182 | £28K | £70K | 2 | |
| 31 May 2022 | £9,841 | £31K | £74K | 2 | |
| 31 May 2021 | £6,916 | £38K | £2,645 | 1 | |
| 31 May 2020 | £2,757 | £14K | £1,895 | 1 | |
| 31 May 2019 | £135 | £10K | £2,358 |
Where CJM Groundworks Limited is registered
The registered office is in Larne (BT40), in the Mid and East Antrim local authority area, Northern Ireland. Show BT40 3EQ on a map.
Other trade companies in BT40
- GW Home Improvements and Maintenance LtdBuilders
- East Coast Contracting NI LtdBuilders
- Abbey Washing Machines LtdRepair services
- CM Fit Out & Construction LtdJoiners and carpenters
- Blackwood & Crawford LtdProperty developers
- TT Tiling LtdFloor and wall tilers
- JM Servicess LtdSpecialist contractors
- NPH Heating and Plumbing LtdPlumbers and heating engineers
What happens if CJM 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 24 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Feb 2027 to 24 Mar 2027 | £150 |
| 1 to 3 months late | 25 Mar 2027 to 24 May 2027 | £375 |
| 3 to 6 months late | 25 May 2027 to 24 Aug 2027 | £750 |
| More than 6 months late | From 25 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 25 May 2027 | £200 |
| 3 months late | 24 Aug 2027 | another £200 |
| 6 months late | 24 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 24 May 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
- NI653209
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 May 2018 (8 years ago)
- Registered office
- 28 Ballyrickard Road, Larne, BT40 3EQ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 24 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 24 May 2025
- Last confirmation statement
- 21 May 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Larne
Other active property development companies registered in Larne.
- Closeburn Developments Limited2016
- Elginshire Limited2014
- JMCK Tailored Plastering Ltd2025
- Meitheal Developments Ltd2015
- Oakbridge Contracts Ltd2024
- Rathmore Developments Ltd2017
- Sdsa Holdings Ltd2025
- Shore Coast Developments Ltd2023
All property development companies in Larne · All trades in Larne · Property developers across the UK
Frequently asked questions
When are CJM Groundworks Limited's accounts due?
CJM Groundworks Limited's next accounts are due at Companies House by 24 February 2027 (in 134 days), covering the period to 24 May 2026.
When is CJM Groundworks Limited's CT600 due?
The CT600 for the period to 24 May 2026 is due at HMRC by 24 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 25 February 2027.
Is CJM Groundworks Limited still trading?
CJM 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 CJM Groundworks Limited do?
CJM Groundworks Limited is registered under Development of building projects (SIC 41100).
How old is CJM Groundworks Limited?
CJM Groundworks Limited was incorporated on 22 May 2018, 8 years ago.
What is the penalty if CJM 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 CJM 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.