- Companies
- Property developers
- Great Marlborough Estates Limited
Great Marlborough Estates Limited
- Company number
- 05444882
- Incorporated
- 5 May 200521 years trading
- Registered office
- 40 Queen Anne Street, London, W1G 9EL
- Nature of business
- Development of building projects
Great Marlborough Estates Limited is a 21-year-old private limited company, company number 05444882, one of the UK's property development companies. 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 down £185K (-60%) on the year before, to -£493K.
- Current assets of £580K against £1.5M owed within a year: 0.4 times cover.
- 5 employees on average, down from 6 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£493K | £128 | £580K | £1.5M | 5 |
| 31 Mar 2024 | -£308K | £57K | £1M | £1.7M | 6 |
Where Great Marlborough Estates Limited is registered
The registered office is in the W1G postcode district, in the Islington local authority area, England. Show W1G 9EL on a map.
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Also registered at this address
20 other companies use the same registered office as Great Marlborough Estates Limited.
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What happens if Great Marlborough Estates 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 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
- 05444882
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 May 2005 (21 years ago)
- Registered office
- 40 Queen Anne Street, London, W1G 9EL
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 May 2026
- Charges (mortgages)
- 2 outstanding of 8 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
Other active property development companies.
Frequently asked questions
When are Great Marlborough Estates Limited's accounts due?
Great Marlborough Estates Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Great Marlborough Estates Limited'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 Great Marlborough Estates Limited still trading?
Great Marlborough Estates 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 Great Marlborough Estates Limited do?
Great Marlborough Estates Limited is registered under Development of building projects (SIC 41100).
How old is Great Marlborough Estates Limited?
Great Marlborough Estates Limited was incorporated on 5 May 2005, 21 years ago.
What is the penalty if Great Marlborough Estates 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 Great Marlborough Estates 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.