- Companies
- Property developers
- Southampton
- Copperplate Developments Limited
Copperplate Developments Limited
- Company number
- 13846643
- Incorporated
- 13 Jan 20224 years trading
- Registered office
- The New Studio, Wintershill, Southampton, Hampshire, SO32 2AH
- Nature of business
- Development of building projects
Copperplate Developments Limited is a 4-year-old private limited company registered in Southampton, company number 13846643, one of 399 property development companies in Southampton. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £1,790 (+24.6%) on the year before, to £9,065.
- Current assets of £48K against £6,875 owed within a year: 7.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £9,065 | £30K | £48K | £6,875 | 1 |
| 31 Jan 2024 | £7,275 | £1,177 | £125K | £2,458 | 1 |
| 31 Jan 2023 | £5,817 | £18K | £259K | £1,200 | 1 |
Who runs and owns Copperplate Developments Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** S*** | Director | Jan 2022 |
Person with significant control
Where Copperplate Developments Limited is registered
The registered office is in Southampton (SO32), in the Winchester local authority area, South East. Show SO32 2AH on a map.
Other trade companies in SO32
- J. Green Plastering LtdPlasterers
- D&A Groom LtdInstallers
- Clearline Builds LtdBuilders
- Bumpers to Boost Customs LimitedMotor traders
- Chambers Composites LtdSpecialist contractors
- Gilltown Developments LimitedProperty developers
- Woodpabst Developments LimitedProperty developers
- Htwagroup LtdProperty developers
Also registered at this address
2 other companies use the same registered office as Copperplate Developments Limited.
- Adam Gibson Treecare Specialist LimitedLandscapers and gardeners
- Brown Services LtdFinishing trades
What happens if Copperplate Developments Limited 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13846643
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 January 2022 (4 years ago)
- Registered office
- The New Studio, Wintershill, Southampton, Hampshire, SO32 2AH
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 24 February 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 Southampton
Other active property development companies registered in Southampton.
- Cordial Enterprise Limited2019
- Core Vision Build Ltd2025
- Cosy Home Projects Ltd2024
- Country Homes (Village Site) Ltd2013
- Croftness Building Ltd2021
- Crown Developments Surrey Ltd2025
- Crowthorne Concepts Ltd2020
- CS Developments (South) Limited2018
All property development companies in Southampton · All trades in Southampton · Property developers across the UK
Frequently asked questions
When are Copperplate Developments Limited's accounts due?
Copperplate Developments Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Copperplate Developments Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Copperplate Developments Limited still trading?
Copperplate Developments Limited 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 Copperplate Developments Limited do?
Copperplate Developments Limited is registered under Development of building projects (SIC 41100).
How old is Copperplate Developments Limited?
Copperplate Developments Limited was incorporated on 13 January 2022, 4 years ago.
Who runs Copperplate Developments Limited?
Copperplate Developments Limited has 1 active director, the longest-serving appointed in Jan 2022. Their names and service addresses are on the Companies House register.
Who owns Copperplate Developments Limited?
One person or company has significant control of Copperplate Developments Limited: an individual (can appoint and remove directors).
What is the penalty if Copperplate Developments Limited 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 Copperplate Developments Limited 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.