- Company number
- 17275155
- Incorporated
- 17 Jun 2026
- Registered office
- 7 Castle Street, Steventon, Abingdon, OX13 6SR
- Nature of business
- Construction of domestic buildings
Cox and Sons Building Co Ltd is a newly incorporated private limited company registered in Abingdon, company number 17275155, one of 64 building contractors in Abingdon. Its next accounts are due at Companies House on 17 March 2028, and its first CT600 is due at HMRC on 16 June 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.
Is this your company?
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Where Cox and Sons Building Co Ltd is registered
The registered office is in Abingdon (OX13), in the Vale of White Horse local authority area, South East. Show OX13 6SR on a map.
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- Sola Virtus Solutions LtdProperty developers
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What happens if Cox and Sons Building Co 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 17 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Mar 2028 to 17 Apr 2028 | £150 |
| 1 to 3 months late | 18 Apr 2028 to 17 Jun 2028 | £375 |
| 3 to 6 months late | 18 Jun 2028 to 17 Sep 2028 | £750 |
| More than 6 months late | From 18 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17275155
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2026
- Registered office
- 7 Castle Street, Steventon, Abingdon, OX13 6SR
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Previous names
- B Cox Building Ltd (until 13 Jul 2026)
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 Abingdon
Other active building contractors registered in Abingdon.
- CRH Carpentry & Building Limited2019
- D Wheeler Extensions Ltd2022
- Daniel Dix Building Services Ltd2023
- Denton Brickwork Contractors Limited1998
- Edmorr Construction Company Ltd2022
- F & D Brown Brickwork and Son Limited2022
- Faulkner Building Improvements Limited2020
- Ferris-Schofield Carpentry Ltd2026
All building contractors in Abingdon · All trades in Abingdon · Builders across the UK
Frequently asked questions
When are Cox and Sons Building Co Ltd's accounts due?
Cox and Sons Building Co Ltd's next accounts are due at Companies House by 17 March 2028 (in 520 days), covering the period to 30 June 2027.
When is Cox and Sons Building Co 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 16 June 2027, due by 16 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cox and Sons Building Co Ltd still trading?
Cox and Sons Building Co 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 Cox and Sons Building Co Ltd do?
Cox and Sons Building Co Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Cox and Sons Building Co Ltd?
Cox and Sons Building Co Ltd was incorporated on 17 June 2026, less than a year ago.
What is the penalty if Cox and Sons Building Co 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 Cox and Sons Building Co 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.