- Companies
- Property developers
- Saltash
- Cornerstone Developments Southwest Ltd
Cornerstone Developments Southwest Ltd
- Company number
- 15957123
- Incorporated
- 16 Sep 20242 years trading
- Registered office
- Unit 1 A Forge Lane, Moorlands Trading Estate, Saltash, Cornwall, PL12 6LX
- Nature of business
- Development of building projects
Cornerstone Developments Southwest Ltd is a 2-year-old private limited company registered in Saltash, company number 15957123, one of 24 property development companies in Saltash. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Who runs and owns Cornerstone Developments Southwest Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| R*** W*** | Director | Sep 2024 |
| N*** E*** | Director | May 2025 |
People with significant control (2)
Where Cornerstone Developments Southwest Ltd is registered
The registered office is in Saltash (PL12), in the Cornwall local authority area, South West. Show PL12 6LX on a map.
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What happens if Cornerstone Developments Southwest 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £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
- 15957123
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 September 2024 (2 years ago)
- Registered office
- Unit 1 A Forge Lane, Moorlands Trading Estate, Saltash, Cornwall, PL12 6LX
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 11 June 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Saltash
Other active property development companies registered in Saltash.
- Cornish Construction Consultancy Ltd2025
- Critch H Developments Limited2026
- Dart Developments (Pengover) Limited2022
- Dart Developments Ltd2021
- Essa Building Solutions Ltd2023
- Excelsa Floors Ltd2023
- Gas Jack Group Ltd2015
- I Broad Property Services Ltd2015
All property development companies in Saltash · All trades in Saltash · Property developers across the UK
Frequently asked questions
When are Cornerstone Developments Southwest Ltd's accounts due?
Cornerstone Developments Southwest Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Cornerstone Developments Southwest Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Cornerstone Developments Southwest Ltd still trading?
Cornerstone Developments Southwest 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 Developments Southwest Ltd do?
Cornerstone Developments Southwest Ltd is registered under Development of building projects (SIC 41100).
How old is Cornerstone Developments Southwest Ltd?
Cornerstone Developments Southwest Ltd was incorporated on 16 September 2024, 2 years ago.
Who runs Cornerstone Developments Southwest Ltd?
Cornerstone Developments Southwest Ltd has 2 active directors, the longest-serving appointed in Sep 2024. Their names and service addresses are on the Companies House register.
Who owns Cornerstone Developments Southwest Ltd?
2 people or companies have significant control of Cornerstone Developments Southwest Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Cornerstone Developments Southwest 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 Developments Southwest 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.