- Companies
- Property developers
- Southampton
- Diamond Carpentry & Construction UK Limited
Diamond Carpentry & Construction UK Limited
- Company number
- 09940799
- Incorporated
- 7 Jan 201610 years trading
- Registered office
- Sherwood New Road, Swanmore, Southampton, SO32 2PF
- Nature of business
- Development of building projects
Diamond Carpentry & Construction UK Limited is a 10-year-old private limited company registered in Southampton, company number 09940799, one of 399 property development companies in Southampton. Its next accounts are due at Companies House on 30 October 2026, and the CT600 for the period to 30 January 2026 is due at HMRC on 30 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 down £2,186 (-18.8%) on the year before, to £9,419.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £46K against £25K owed within a year: 1.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jan 2025 | £9,419 | £46K | £25K | 1 | |
| 30 Jan 2024 | £12K | £66K | £46K | 1 | |
| 30 Jan 2023 | £648 | £52K | £25K | 1 | |
| 31 Jan 2022 | £9,416 | £39K | £16K | 1 | |
| 31 Jan 2021 | £4,590 | £53K | £17K | 1 | |
| 31 Jan 2020 | £6,387 | £17K | £11K | 1 | |
| 31 Jan 2019 | £15K | £4,649 | £9,374 | ||
| 31 Jan 2018 | -£8,499 | £5,537 | £11K | ||
| 31 Jan 2017 | -£1,493 | £4,033 | £4,377 | £15K |
Who runs and owns Diamond Carpentry & Construction UK Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** E*** | Director | Jan 2016 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| G*** C*** | Director | Jan 2016 | Aug 2016 |
Person with significant control
Where Diamond Carpentry & Construction UK Limited is registered
The registered office is in Southampton (SO32), in the Winchester local authority area, South East. Show SO32 2PF on a map.
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- Clearline Builds LtdBuilders
- Bumpers to Boost Customs LimitedMotor traders
- Chambers Composites LtdSpecialist contractors
- Gilltown Developments LimitedProperty developers
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- Htwagroup LtdProperty developers
What happens if Diamond Carpentry & Construction UK 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 30 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Oct 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 30 Jan 2027 | £375 |
| 3 to 6 months late | 31 Jan 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 | 31 Jan 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 30 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 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
- 09940799
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 January 2016 (10 years ago)
- Registered office
- Sherwood New Road, Swanmore, Southampton, SO32 2PF
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 January 2025
- Last confirmation statement
- 5 January 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.
- Dillinger Developments Limited2018
- DJ Develop and Solve Ltd2019
- DJN Groundwork’S Ltd2021
- DNN Developments Ltd2022
- Donington Investments Limited1958
- Dorrington Homes (UK) Limited2013
- Drayton Homes Limited2020
- Dunbridge Land Limited2001
All property development companies in Southampton · All trades in Southampton · Property developers across the UK
Frequently asked questions
When are Diamond Carpentry & Construction UK Limited's accounts due?
Diamond Carpentry & Construction UK Limited's next accounts are due at Companies House by 30 October 2026 (in 17 days), covering the period to 30 January 2026.
When is Diamond Carpentry & Construction UK Limited's CT600 due?
The CT600 for the period to 30 January 2026 is due at HMRC by 30 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 October 2026.
Is Diamond Carpentry & Construction UK Limited still trading?
Diamond Carpentry & Construction UK 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 Diamond Carpentry & Construction UK Limited do?
Diamond Carpentry & Construction UK Limited is registered under Development of building projects (SIC 41100).
How old is Diamond Carpentry & Construction UK Limited?
Diamond Carpentry & Construction UK Limited was incorporated on 7 January 2016, 10 years ago.
Who runs Diamond Carpentry & Construction UK Limited?
Diamond Carpentry & Construction UK Limited has 1 active director, the longest-serving appointed in Jan 2016. Their names and service addresses are on the Companies House register.
Who owns Diamond Carpentry & Construction UK Limited?
One person or company has significant control of Diamond Carpentry & Construction UK Limited: an individual (owns 75% or more of the shares).
What is the penalty if Diamond Carpentry & Construction UK 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 Diamond Carpentry & Construction UK 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.