Overview
Fortis Block Management is a letting agent based at Second Floor West, 47-50 Margaret Street, London, W1W 8SB. The business trades from 2 offices under the same website (fortisblock.co.uk). The registered business name is Fortis Block Management Ltd. Companies House number 14847606. It has been trading since 2023-05-04. It belongs to The Property Ombudsman redress scheme.
Homes in the W1W postcode district sold for a median £775,000 across 19 sales in the last 12 months. Across Westminster the average price is £876,788 (July 2026), -19.6% over ten years and 6.2× its January 1995 level. Since 1995 the median sold price in W1W has moved from £79,997 to £775,000 across 1,903 recorded sales. 212 estate and letting agent offices on the register are based in W1W.
Market position and ranking
No league history on record yet
This branch does not appear in the register’s historical town league tables. Its position will build up from our own daily reading of agents’ websites.
Stock on the market
Stock breakdown coming
Homes for sale by price, bedrooms, property type, time on the market and postcode appear here once our crawler has read fortisblock.co.uk. Agents can speed this up by claiming the profile.
Sales performance
Asking price achieved and time to sell
We match each home an agent lists to its HM Land Registry completion to measure the price achieved against asking and the time from listing to completion. Results appear here once enough of this branch’s listings have completed, usually three to six months after we first read its website.
Reviews
Reviews left on Find a Local Agent
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Online presence
Profiles are found by reading the links on the agent’s own website. Follower counts and posting activity will be added as they are collected.
The local market
Average prices across Westminster since January 1995, and what has sold in W1W in the last year. Westminster averages £876,788 in July 2026, -17.8% over five years and -19.6% over ten.
Average house price, Westminster
UK House Price Index, monthly
Homes sold each year, Westminster
Completed sales recorded in the House Price Index
Sold prices in W1W since 1995
Median price each year by property type, HM Land Registry
Homes sold each year in W1W
1,903 completed sales since 1995
Sales per month in W1W
HM Land Registry completions, last 12 months
What sold in W1W
Completions by property type, last 12 months
| Median sold price, W1W | £775,000 | Sales, last 12 months | 19 |
|---|---|---|---|
| Detached | — | Semi-detached | — |
| Terraced | — | Flat | £775,000 |
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| BAARTZ | Estate and letting agentIndependent | 41today |
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| Keaze | Estate and letting agentIndependent | 26today |
| Blue Sky Investors Limited | Letting agentIndependent | 23recorded 2022 |
| London House | Estate and letting agentIndependent | 15today |
| Alex Britez Cabral Powered by eXp | Estate and letting agentIndependent | 12today |
| 23 Collective | Letting agentIndependent | 4today |
| J W & Sons Estate Agents Ltd | Estate and letting agentIndependent | 3today |
| Providence Wealth | Estate agentIndependent | 3today |
| Radnor Martin | Estate agentIndependent | 2today |
| BuyLondonFlat.com | Estate agentIndependent | 1recorded 2024 |
| DDRE LTD T/A DDRE Global | Letting agentIndependent | 1recorded 2025 |
| Maplewood Property | Estate and letting agentIndependent | 1today |
| AB LIVING LTD | Letting agentIndependent | 0today |
| Acme Property Solutions LTD | Letting agentIndependent | 0today |
| Alexander Lawson surveyors ltd | Letting agentIndependent | 0today |
| Charles Lloyd Real Estate | Estate agentIndependent | 0today |
| Kevin Liu Property | Estate agentIndependent | 0today |
| Keylux Property Agency Limited | Estate agentIndependent | 0today |
| LKL Homes Limited | Estate and letting agentIndependent | 0today |
All agents in Westminster · Demographics and area data on Property Data
Other Fortis offices
1 other office share the website fortisblock.co.uk.
- Fortis LettingsWestminster W1W 8SB
Company history
- Incorporated as Fortis Block Management Ltd (Companies House 14847606)
- Stock, John Alexander appointed director
Officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| Stock, John Alexander | director | 2023-05-04 |
Source: Companies House, company 14847606; Find a Local Agent historical market records.
Questions and answers
How long has Fortis Block Management been trading?
Since 2023-05-04, about 3 years.
Which redress scheme is Fortis Block Management a member of?
The Property Ombudsman.
What do homes sell for near Fortis Block Management?
A median £775,000 in W1W over the last 12 months (HM Land Registry, 19 sales).
Sources and freshness
| Source | Coverage |
|---|---|
| HM Land Registry Price Paid Data, full history (OGL) | W1W, 1995 to 2026, 1,903 sales |
| UK House Price Index, HM Land Registry (OGL) | Westminster, January 1995 to July 2026 |
| HM Land Registry Price Paid Data (OGL) | W1W, last 12 months |
| Companies House (free company data product) | 14847606, Active |
| The Property Ombudsman and Property Redress Scheme registers | Office details, February 2026 |
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