- Company number
- 17472622
- Incorporated
- 22 Sep 2026
- Registered office
- 22 Boundary Road, Newbury, RG14 5RR
- Nature of business
- Construction of commercial buildings; Other building completion and finishing; specialised design activities
Keystone Commercial Design Ltd is a newly incorporated private limited company registered in Newbury, company number 17472622, one of 79 building contractors in Newbury. Its next accounts are due at Companies House on 22 June 2028, and its first CT600 is due at HMRC on 21 September 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 Keystone Commercial Design Ltd is registered
The registered office is in Newbury (RG14), in the West Berkshire local authority area, South East. Show RG14 5RR on a map.
Other trade companies in RG14
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- Sama Properties LtdProperty developers
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- Dorneywood Consulting LimitedProperty developers
- Fortis One LimitedProperty developers
- Startech Auto Care LtdMechanics and garages
- Atl Premium Cleaning & Painting Services LtdPainters and decorators
- Ignition Motorsport WRT LtdMechanics and garages
What happens if Keystone Commercial Design 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 22 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Jun 2028 to 22 Jul 2028 | £150 |
| 1 to 3 months late | 23 Jul 2028 to 22 Sep 2028 | £375 |
| 3 to 6 months late | 23 Sep 2028 to 22 Dec 2028 | £750 |
| More than 6 months late | From 23 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17472622
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 September 2026
- Registered office
- 22 Boundary Road, Newbury, RG14 5RR
- Nature of business
- Construction of commercial buildings (SIC 41201)
Other building completion and finishing (SIC 43390)
specialised design activities (SIC 74100) - Year end
- 30 September (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 Newbury
Other active building contractors registered in Newbury.
- LB Developments (Newbury) Ltd2024
- Lindacre Homes Limited2003
- M. Hawkins (Construction) Limited1999
- Major Construction Group Ltd2026
- Maplestone Construction Limited2014
- Milbury Contractors Limited2006
- Mistletoe Mews Limited2005
- Myblueskydream Ltd2019
All building contractors in Newbury · All trades in Newbury · Builders across the UK
Frequently asked questions
When are Keystone Commercial Design Ltd's accounts due?
Keystone Commercial Design Ltd's next accounts are due at Companies House by 22 June 2028 (in 618 days), covering the period to 30 September 2027.
When is Keystone Commercial Design 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 21 September 2027, due by 21 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Keystone Commercial Design Ltd still trading?
Keystone Commercial Design 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 Commercial Design Ltd do?
Keystone Commercial Design Ltd is registered under Construction of commercial buildings (SIC 41201); Other building completion and finishing (SIC 43390); specialised design activities (SIC 74100).
How old is Keystone Commercial Design Ltd?
Keystone Commercial Design Ltd was incorporated on 22 September 2026, less than a year ago.
What is the penalty if Keystone Commercial Design 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 Commercial Design 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.