- Companies
- Civil engineering
- Ipswich
- Cornerstone Building Solutions Ltd
Cornerstone Building Solutions Ltd
- Company number
- 16510640
- Incorporated
- 11 Jun 20251 year trading
- Registered office
- Unit 3, 47 Knightsdale Road, Ipswich, Suffolk, IP1 4JJ
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other construction installation; Other building completion and finishing
Cornerstone Building Solutions Ltd is a 1-year-old private limited company registered in Ipswich, company number 16510640, one of 88 civil engineering contractors in Ipswich. Its next accounts are due at Companies House on 11 March 2027, and its first CT600 is due at HMRC on 10 June 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 Cornerstone Building Solutions Ltd is registered
The registered office is in Ipswich (IP1), in the Ipswich local authority area, East of England. Show IP1 4JJ on a map.
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Also registered at this address
23 other companies use the same registered office as Cornerstone Building Solutions Ltd.
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What happens if Cornerstone Building Solutions 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 11 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Mar 2027 to 11 Apr 2027 | £150 |
| 1 to 3 months late | 12 Apr 2027 to 11 Jun 2027 | £375 |
| 3 to 6 months late | 12 Jun 2027 to 11 Sep 2027 | £750 |
| More than 6 months late | From 12 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16510640
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 June 2025 (1 year ago)
- Registered office
- Unit 3, 47 Knightsdale Road, Ipswich, Suffolk, IP1 4JJ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 June 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Ipswich
Other active civil engineering contractors registered in Ipswich.
- Cos Team Limited2023
- Dab Civil Engineering Ltd2006
- Deben Groundwork Solutions Ltd2020
- Dexter Groundworks Limited2025
- Dorothy May Holdings Limited1989
- Doubleshare Properties Limited1989
- Ena Rail & Electrics Ltd2021
- Equator7 Limited2024
All civil engineering contractors in Ipswich · All trades in Ipswich · Civil engineering across the UK
Frequently asked questions
When are Cornerstone Building Solutions Ltd's accounts due?
Cornerstone Building Solutions Ltd's next accounts are due at Companies House by 11 March 2027 (in 149 days), covering the period to 30 June 2026.
When is Cornerstone Building Solutions 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 10 June 2026, due by 10 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cornerstone Building Solutions Ltd still trading?
Cornerstone Building Solutions 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 Cornerstone Building Solutions Ltd do?
Cornerstone Building Solutions Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is Cornerstone Building Solutions Ltd?
Cornerstone Building Solutions Ltd was incorporated on 11 June 2025, 1 year ago.
What is the penalty if Cornerstone Building Solutions 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 Cornerstone Building Solutions 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.