- Companies
- Property developers
- London
- W1 Developments Limited
W1 Developments Limited
- Company number
- 08171510
- Incorporated
- 8 Aug 201214 years trading
- Registered office
- The Listed Hall, 50 Bolsover Street, London, W1W 5NG
- Nature of business
- Development of building projects
W1 Developments Limited is a 14-year-old private limited company registered in London, company number 08171510, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where W1 Developments Limited is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5NG on a map.
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Also registered at this address
3 other companies use the same registered office as W1 Developments Limited.
- Eireann Consulting LtdProperty developers
- Fairmore LimitedProperty developers
- Ridgeford Developments LimitedProperty developers
What happens if W1 Developments 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 08171510
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 2012 (14 years ago)
- Registered office
- The Listed Hall, 50 Bolsover Street, London, W1W 5NG
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 3 August 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 London
Other active property development companies registered in London.
- W11 Developments Ltd2014
- W11 Investments Ltd2025
- W13 Res Limited2022
- W3 ST Andrews Ltd2024
- W5 (Holdings) Ltd2023
- W8 Planning Ltd2018
- Waal Ltd2025
- Wacton Investments Limited2010
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are W1 Developments Limited's accounts due?
W1 Developments Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is W1 Developments Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is W1 Developments Limited still trading?
W1 Developments Limited 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 W1 Developments Limited do?
W1 Developments Limited is registered under Development of building projects (SIC 41100).
How old is W1 Developments Limited?
W1 Developments Limited was incorporated on 8 August 2012, 14 years ago.
What is the penalty if W1 Developments 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 W1 Developments Limited 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.