- Company number
- 16040075
- Incorporated
- 24 Oct 20241 year trading
- Registered office
- 140 Meadow Rise, Brynna, Pontyclun, CF72 9TH
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Ground Up Building Contractors Ltd is a 1-year-old private limited company registered in Pontyclun, company number 16040075, one of 27 building contractors in Pontyclun. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Where Ground Up Building Contractors Ltd is registered
The registered office is in Pontyclun (CF72), in the Rhondda Cynon Taf local authority area, Wales. Show CF72 9TH on a map.
Other trade companies in CF72
- J Langdon Developments LtdBuilders
- Fortis DS LtdMachinery repair and installation
- Barcombe Commercial & Property Services LtdFinishing trades
- JMP Gas Plumbing and Heating LtdPlumbers and heating engineers
- Mgreenroofing LtdRoofers
- Vent-Ways LtdInstallers
- O&R Autohaus LimitedMechanics and garages
- Acer Garden Retreats LtdJoiners and carpenters
What happens if Ground Up Building Contractors 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16040075
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 October 2024 (1 year ago)
- Registered office
- 140 Meadow Rise, Brynna, Pontyclun, CF72 9TH
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 20 October 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Pontyclun
Other active building contractors registered in Pontyclun.
- Hoe Property Developments Limited2005
- J Langdon Developments Ltd2026
- JLC Drylining Ltd2022
- JM Construction Workers Ltd2025
- K & C Pearce Limited2014
- Kerry Jenkins Roofing Ltd2022
- Lomax Facility Solutions Limited2024
- Miskin Glazing Ltd2026
All building contractors in Pontyclun · All trades in Pontyclun · Builders across the UK
Frequently asked questions
When are Ground Up Building Contractors Ltd's accounts due?
Ground Up Building Contractors Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Ground Up Building Contractors Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Ground Up Building Contractors Ltd still trading?
Ground Up Building Contractors 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 Ground Up Building Contractors Ltd do?
Ground Up Building Contractors Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Ground Up Building Contractors Ltd?
Ground Up Building Contractors Ltd was incorporated on 24 October 2024, 1 year ago.
What is the penalty if Ground Up Building Contractors 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 Ground Up Building Contractors 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.