- Companies
- Property developers
- Finchley
- Cornerstone Estates (UK) Limited
Cornerstone Estates (UK) Limited
- Company number
- 04602435
- Incorporated
- 27 Nov 200223 years trading
- Registered office
- 3RD Floor Marlborough House, 298 Regents Park Road, Finchley, London, N3 2SZ
- Nature of business
- Development of building projects
Cornerstone Estates (UK) Limited is a 23-year-old private limited company registered in Finchley, company number 04602435, one of 69 property development companies in Finchley. Its next accounts are due at Companies House on 31 May 2027, and its first CT600 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 down £1.6M (-74.3%) on the year before, to £562K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £591K against £29K owed within a year: more than 10 times cover.
- 2 employees on average, up from 0 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £562K | £2,289 | £591K | £29K | 2 |
| 31 Mar 2024 | £2.2M | £11K | £2.2M | £64K | 0 |
| 31 Mar 2023 | £2.1M | £48K | £2.2M | £62K | 1 |
| 31 Mar 2022 | £2M | £31K | £2.4M | £349K | 1 |
| 31 Mar 2021 | £1.8M | £39K | £2.2M | £362K | 1 |
| 31 Mar 2020 | £1.8M | £31K | £2.2M | £425K | 1 |
| 31 Mar 2019 | £1.8M | £131K | £2.2M | £411K | 1 |
| 31 Mar 2018 | £1.6M | £18K | £2M | £404K | 1 |
| 31 Mar 2017 | £1.5M | £23K | £1.8M | £262K | 1 |
| 31 Mar 2016 | £1.5M | £31K | £1.8M | £307K |
Where Cornerstone Estates (UK) Limited is registered
The registered office is in Finchley (N3), in the Barnet local authority area, London. Show N3 2SZ on a map.
Other trade companies in N3
- Key & Keep LtdCleaning companies
- GMS Residential LimitedPlumbers and heating engineers
- Gcap East LtdProperty developers
- Tatras Development LimitedProperty developers
- Chesterfield Corinne LtdProperty developers
- Pure Plumbing Pros LimitedPlumbers and heating engineers
- WS Cleaning Services LtdCleaning companies
- Landfall Projects LimitedProperty developers
Shared registered office
34 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Cornerstone Estates (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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 04602435
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 November 2002 (23 years ago)
- Registered office
- 3RD Floor Marlborough House, 298 Regents Park Road, Finchley, London, N3 2SZ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 27 November 2025
- Charges (mortgages)
- 0 outstanding of 4 registered
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 Finchley
Other active property development companies registered in Finchley.
- Cornerstone Homes (Surbiton) Limited2015
- CRB Contractors & Development Ltd2020
- Crego Properties Limited1977
- Darum Properties Limited1993
- Daulan Investments (London) Limited1983
- Deeney & Brook Limited2023
- Dmi Estates Ltd2019
- Duces Holding Limited2024
All property development companies in Finchley · All trades in Finchley · Property developers across the UK
Frequently asked questions
When are Cornerstone Estates (UK) Limited's accounts due?
Cornerstone Estates (UK) Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Cornerstone Estates (UK) Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 March 2026, due by 31 March 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cornerstone Estates (UK) Limited still trading?
Cornerstone Estates (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 Cornerstone Estates (UK) Limited do?
Cornerstone Estates (UK) Limited is registered under Development of building projects (SIC 41100).
How old is Cornerstone Estates (UK) Limited?
Cornerstone Estates (UK) Limited was incorporated on 27 November 2002, 23 years ago.
What is the penalty if Cornerstone Estates (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 Cornerstone Estates (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.