- Companies
- Civil engineering
- Pontyclun
- JF Groundworks Ltd
JF Groundworks Ltd
- Company number
- 16260773
- Incorporated
- 18 Feb 20251 year trading
- Registered office
- 35 Gellifedi Rise, Brynna, Pontyclun, CF72 9PX
- Nature of business
- Construction of other civil engineering projects n.e.c.
JF Groundworks Ltd is a 1-year-old private limited company registered in Pontyclun, company number 16260773, one of 11 civil engineering contractors in Pontyclun. Its next accounts are due at Companies House on 18 November 2026, and its first CT600 is due at HMRC on 17 February 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns JF Groundworks Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** F*** | Director | Feb 2025 |
Person with significant control
Where JF Groundworks Ltd is registered
The registered office is in Pontyclun (CF72), in the Rhondda Cynon Taf local authority area, Wales. Show CF72 9PX on a map.
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What happens if JF Groundworks 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 18 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Nov 2026 to 18 Dec 2026 | £150 |
| 1 to 3 months late | 19 Dec 2026 to 18 Feb 2027 | £375 |
| 3 to 6 months late | 19 Feb 2027 to 18 May 2027 | £750 |
| More than 6 months late | From 19 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16260773
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 2025 (1 year ago)
- Registered office
- 35 Gellifedi Rise, Brynna, Pontyclun, CF72 9PX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 17 February 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Pontyclun
Other active civil engineering contractors registered in Pontyclun.
- KR Cables Ltd2025
- Linelevel Ltd2025
- M J Wilson Contracting Ltd2020
- Millstone Construction & Electrical (Wales) Limited2003
- Planesight Ltd2024
- Unwaith Eto Limited2026
- Winshall Ltd2021
- DV Engineering Management Ltd2024
All civil engineering contractors in Pontyclun · All trades in Pontyclun · Civil engineering across the UK
Frequently asked questions
When are JF Groundworks Ltd's accounts due?
JF Groundworks Ltd's next accounts are due at Companies House by 18 November 2026 (in 36 days), covering the period to 28 February 2026.
When is JF Groundworks Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 17 February 2026, due by 17 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is JF Groundworks Ltd still trading?
JF Groundworks 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 JF Groundworks Ltd do?
JF Groundworks Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is JF Groundworks Ltd?
JF Groundworks Ltd was incorporated on 18 February 2025, 1 year ago.
Who runs JF Groundworks Ltd?
JF Groundworks Ltd has 1 active director, the longest-serving appointed in Feb 2025. Their names and service addresses are on the Companies House register.
Who owns JF Groundworks Ltd?
One person or company has significant control of JF Groundworks Ltd: an individual (owns 75% or more of the shares).
What is the penalty if JF Groundworks 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 JF Groundworks 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.