Postcode district

W1S property market

Name: W1S
Address: GB

Index +1% y/y · Asking £103,088/m² · Asking rent £7,539 a month · Gross yield 3.3% · 12 months, listings to Aug 2026

What is W1S?

Buildings: 453
Mixed-use buildings: 11%
HMO-shaped units: 0.0%

What does W1S cost?

W1S: asking price £4,672,214 (12 months to Aug 2026, 125 listings). +0.2% on the previous 12 months.

Asking price

£4,672,214 12 months to Aug 2026

125 listings

+0.2% on the previous 12 months.

Sample is the dated listings that came to market in the latest month (added and reduced cohorts).

Asking price per m²

£103,088/m² 12 months to Jun 2026

41 listings

Sold price

Not published

Only 1 observed month: the 12-month figure needs 6; the monthly line is drawn.

Sold price: £4,044,297 in Sep 2017 to £4,443,750 in Jul 2023.

Asking price: £14,000,000 in Apr 2022 to £7,250,000 in Aug 2026.

Asking price per m²: £83,077/m² in Aug 2025 to £24,330/m² in Jun 2026.

Settled months to Dec 2025; the dashed tail is the pipeline's projection of the index 12 months ahead, inside its 80% band. A projection of the index, not a forecast of any home's price.

ObservedForecast with intervalIndex points, not property prices

Asking price index: 115.1 in Jan 2022 to 102.1 in Aug 2026.

What does W1S earn?

W1S: asking rent £7,539 a month (12 months to Jul 2026, 69 lets).

Asking rent

£7,539 a month 12 months to Jul 2026

69 lets

Gross yield, asking basis

3.3% 12 months to Aug 2026

260 lets

+4.1% on the previous 12 months.

Sample is the dated lettings behind the latest month's rent cell.

Asking rent: £6,909 pcm in Aug 2025 to £4,080 pcm in Jul 2026.

Gross yield, asking basis: 0.5% in Aug 2022 to 1.7% in Aug 2026.

How liquid is W1S?

W1S: completed sales 27 (12 months to Oct 2025, 27 sales). -63% on the previous 12 months.

Completed sales

27 12 months to Oct 2025

27 sales

-63% on the previous 12 months.

Sample is the registry count itself; months within six months of the last ingest are still filling.

New listings

75 12 months to Aug 2026

75 listings

Never-reduced cohort: undercounts new listings by the reduction share.

Price reductions

50 12 months to Aug 2026

50 listings

Reductions dated by the last reduction; several reductions of one listing count once.

Turnover: 3.5% in Sep 2017 to 1.2% in Jul 2023.

Who is active in W1S?

1 agents listed homes for sale in W1S; the three largest took 100% of the listings.

Agents active: 1
Top three agents’ share: 100%
New homes among listings: 100%

days_to_completion is on the registry-matched subset (sold_matched_n), not a sell-through rate.

Who owns W1S?

Individuals (not traceable in bulk) hold 56% of the 126 units in W1S whose freeholder is classified; 96% of all units are not yet classified.

Individuals (not traceable in bulk)56% of classified · 70 units
Corporate landlords44% of classified · 55 units
Offshore companies0.8% of classified · 1 units

Freeholder class per addressable unit, from HM Land Registry CCOD/OCOD matched to the title and Companies House. Individuals are counted, never itemised.

Where does W1S rank?

W1S ranks 19th of 24 postcode districts in City of Westminster for gross yield, asking basis, at 3.3%.

Sold price per m² · postcode districts in City of Westminster

Sold price per m² across postcode districts in City of Westminster, 12 months to Apr 2026. Sample and confidence tier beside every value.
#	Area	Sold price per m²	Sample	Tier
1	W2	£11,859/m²	155	measured
2	SW1V	£10,732/m²	86	indicative
3	SW1P	£10,049/m²	66	indicative
4	W9	£9,887/m²	171	measured
5	NW8	£8,139/m²	163	measured

Full table: sold price per m² across postcode districts in City of Westminster →

Gross yield, asking basis · postcode districts in City of Westminster