- Company number
- 16692998
- Incorporated
- 3 Sep 20251 year trading
- Registered office
- 21 Rowan Road, Bicester, OX26 2HN
- Nature of business
- Construction of domestic buildings
Keystone Construction & Renovations Ltd is a 1-year-old private limited company registered in Bicester, company number 16692998, one of 59 building contractors in Bicester. Its next accounts are due at Companies House on 3 June 2027, and its first CT600 is due at HMRC on 2 September 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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Where Keystone Construction & Renovations Ltd is registered
The registered office is in Bicester (OX26), in the Cherwell local authority area, South East. Show OX26 2HN on a map.
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What happens if Keystone Construction & Renovations 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 3 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 Jun 2027 to 3 Jul 2027 | £150 |
| 1 to 3 months late | 4 Jul 2027 to 3 Sep 2027 | £375 |
| 3 to 6 months late | 4 Sep 2027 to 3 Dec 2027 | £750 |
| More than 6 months late | From 4 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16692998
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 September 2025 (1 year ago)
- Registered office
- 21 Rowan Road, Bicester, OX26 2HN
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 2 September 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 Bicester
Other active building contractors registered in Bicester.
- Kogels of Abingdon Limited2013
- Lka Builders Limited2023
- M Warren Construction Ltd2020
- Mark Stone Homes Limited2012
- Marsh Smart Homes Ltd2025
- MR Fix IT Limited2024
- MWP Construction Ltd2026
- Nichol Consulting Ltd2021
All building contractors in Bicester · All trades in Bicester · Builders across the UK
Frequently asked questions
When are Keystone Construction & Renovations Ltd's accounts due?
Keystone Construction & Renovations Ltd's next accounts are due at Companies House by 3 June 2027 (in 233 days), covering the period to 30 September 2026.
When is Keystone Construction & Renovations 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 2 September 2026, due by 2 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Keystone Construction & Renovations Ltd still trading?
Keystone Construction & Renovations 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 Keystone Construction & Renovations Ltd do?
Keystone Construction & Renovations Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Keystone Construction & Renovations Ltd?
Keystone Construction & Renovations Ltd was incorporated on 3 September 2025, 1 year ago.
What is the penalty if Keystone Construction & Renovations 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 Keystone Construction & Renovations 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.