- Companies
- Property developers
- London
- Flatplate Limited
Flatplate Limited
- Company number
- 05425065
- Incorporated
- 15 Apr 200521 years trading
- Registered office
- 180 Great Portland Street, London, W1W 5QZ
- Nature of business
- Development of building projects; Buying and selling of own real estate; Dormant Company
Flatplate Limited is a 21-year-old private limited company registered in London, company number 05425065, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Flatplate Limited is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5QZ on a map.
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Also registered at this address
3 other companies use the same registered office as Flatplate Limited.
- Disknote LimitedProperty developers
- Quintain Alto Developments LimitedProperty developers
- Wembley W06A Commercial Investments LimitedProperty developers
What happens if Flatplate 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 05425065
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 April 2005 (21 years ago)
- Registered office
- 180 Great Portland Street, London, W1W 5QZ
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Dormant Company (SIC 99999) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 15 April 2026
- Charges (mortgages)
- 0 outstanding of 2 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 London
Other active property development companies registered in London.
- Flatstage Limited2005
- Flaunden Construction Limited2016
- Flecksun Limited1989
- Fleet Capital Limited2019
- Fleetway Properties Limited1983
- Fleming Inns Limited2005
- Flexbow Limited2011
- Flexible Ties Limited1992
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Flatplate Limited's accounts due?
Flatplate Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Flatplate Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Flatplate Limited still trading?
Flatplate 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 Flatplate Limited do?
Flatplate Limited is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100); Dormant Company (SIC 99999).
How old is Flatplate Limited?
Flatplate Limited was incorporated on 15 April 2005, 21 years ago.
What is the penalty if Flatplate 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 Flatplate 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.