- Companies
- Builders
- Wallingford
- Grndup Group Ltd
Grndup Group Ltd
- Company number
- 17138245
- Incorporated
- 6 Apr 2026
- Registered office
- 32 Maple Furlong, Benson, Wallingford, OX10 6FP
- Nature of business
- Construction of domestic buildings; Demolition; Site preparation; Landscape service activities
Grndup Group Ltd is a newly incorporated private limited company registered in Wallingford, company number 17138245, one of 30 building contractors in Wallingford. Its next accounts are due at Companies House on 6 January 2028, and its first CT600 is due at HMRC on 5 April 2028.
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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Where Grndup Group Ltd is registered
The registered office is in Wallingford (OX10), in the South Oxfordshire local authority area, South East. Show OX10 6FP on a map.
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What happens if Grndup Group 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 6 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Jan 2028 to 6 Feb 2028 | £150 |
| 1 to 3 months late | 7 Feb 2028 to 6 Apr 2028 | £375 |
| 3 to 6 months late | 7 Apr 2028 to 6 Jul 2028 | £750 |
| More than 6 months late | From 7 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17138245
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 April 2026
- Registered office
- 32 Maple Furlong, Benson, Wallingford, OX10 6FP
- Nature of business
- Construction of domestic buildings (SIC 41202)
Demolition (SIC 43110)
Site preparation (SIC 43120)
Landscape service activities (SIC 81300) - Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
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 Wallingford
Other active building contractors registered in Wallingford.
- JJ Cuzen Building Contractors Limited2013
- Luan Barci Construction Ltd2023
- Mac Architecture Ltd2015
- MB Datum Limited2024
- Opm Building Services Ltd2022
- Project Setting Out Limited2015
- RBW Carpentry & Construction Ltd2020
- RVR Construction Services Limited2026
All building contractors in Wallingford · All trades in Wallingford · Builders across the UK
Frequently asked questions
When are Grndup Group Ltd's accounts due?
Grndup Group Ltd's next accounts are due at Companies House by 6 January 2028 (in 451 days), covering the period to 30 April 2027.
When is Grndup Group 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 5 April 2027, due by 5 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Grndup Group Ltd still trading?
Grndup Group 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 Grndup Group Ltd do?
Grndup Group Ltd is registered under Construction of domestic buildings (SIC 41202); Demolition (SIC 43110); Site preparation (SIC 43120); Landscape service activities (SIC 81300).
How old is Grndup Group Ltd?
Grndup Group Ltd was incorporated on 6 April 2026, less than a year ago.
What is the penalty if Grndup Group 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 Grndup Group 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.