- Companies
- Property developers
- New Malden
- Capstone Construction U.K Ltd
Capstone Construction U.K Ltd
- Company number
- 07014393
- Incorporated
- 9 Sep 200917 years trading
- Registered office
- 47 Claremont Avenue, New Malden, Surrey, KT3 6QN
- Nature of business
- Development of building projects
Capstone Construction U.K Ltd is a 17-year-old private limited company registered in New Malden, company number 07014393, one of 57 property development companies in New Malden. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £18K (+32.2%) on the year before, to £73K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £19K against £65K owed within a year: 0.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £73K | £19K | £65K | 2 | |
| 31 Mar 2024 | £55K | £26K | £56K | 2 | |
| 31 Mar 2023 | £62K | £36K | £75K | 2 | |
| 31 Mar 2022 | £41K | £25K | £36K | 3 | |
| 31 Mar 2021 | £16K | £60K | £42K | 3 | |
| 31 Mar 2020 | £1,909 | £1,358 | £11K | 3 | |
| 30 Sep 2018 | £3,648 | £13K | £19K | ||
| 30 Sep 2017 | -£4,192 | £967 | £9,143 | £25K | |
| 30 Sep 2016 | -£7,519 | £11K | £20K | ||
| 30 Sep 2015 | -£1,575 | £5,385 | £12K |
Where Capstone Construction U.K Ltd is registered
The registered office is in New Malden (KT3), in the Merton local authority area, London. Show KT3 6QN on a map.
Other trade companies in KT3
- Gas Net Group LtdPlumbers and heating engineers
- Four Square London LtdBuilders
- Car House LtdMotor traders
- Above and Beyond Holdings LtdLandscapers and gardeners
- Maz&Ace LtdMotor traders
- 00 Transport LtdMechanics and garages
- Denabuild Construction LtdBuilders
- PB Gardening LtdLandscapers and gardeners
What happens if Capstone Construction U.K 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07014393
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 September 2009 (17 years ago)
- Registered office
- 47 Claremont Avenue, New Malden, Surrey, KT3 6QN
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 9 September 2025
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 New Malden
Other active property development companies registered in New Malden.
- CNM Estates (Coombe Road) Limited2016
- CNM Estates (Cox Lane) Limited2016
- CNM Estates (East Bay) Limited2021
- CNM Estates (Ewell Road) Limited2016
- CNM Estates (Norbiton) Limited2012
- CNM Estates (Northpoint) Limited2017
- CNM Estates (Quattro Kingston Holdings) Limited2016
- CNM Estates (Quattro New Malden Holdings) Limited2016
All property development companies in New Malden · All trades in New Malden · Property developers across the UK
Frequently asked questions
When are Capstone Construction U.K Ltd's accounts due?
Capstone Construction U.K Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Capstone Construction U.K Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Capstone Construction U.K Ltd still trading?
Capstone Construction U.K Ltd is listed as active on the Companies House register (checked 12 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 Capstone Construction U.K Ltd do?
Capstone Construction U.K Ltd is registered under Development of building projects (SIC 41100).
How old is Capstone Construction U.K Ltd?
Capstone Construction U.K Ltd was incorporated on 9 September 2009, 17 years ago.
What is the penalty if Capstone Construction U.K 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 Capstone Construction U.K Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.