AREA REPORT · CITY OF WESTMINSTER W1K

W1K.

City of Westminster

W1K is an outcode in City of Westminster, covering the neighbourhoods of Marylebone & Park Lane, Strand, St James & Mayfair, Fitzrovia West & Soho and Knightsbridge, Belgravia & Hyde Park. Over the last 12 months 14 properties changed hands — a median of £4.20m for flats (£33,019/sqm) and £13.90m for houses (£31,004/sqm). Housing stock peaks at EPC band C.

Recorded dwellings
2,258
residential addresses we hold records for
Across
7
sectors — see breakdown below
Sales
12 month
3 year
Flats
12
74
Houses
2
9
Recorded transactions across the area.
Median sale price
12 month
3 year
Flats
£4.20m
n = 12
£3.92m
n = 74
Houses
£13.90m
n = 2
£10.30m
n = 9
Median sale price across the window.
Median £/sqm
12 month
3 year
Flats
£33,019
n = 7
£26,106
n = 51
Houses
£31,004
n = 2
£24,944
n = 8
Typical price per square metre, where floor area is available.
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PRICE MATRIX
Sales by window, type, and floor area.
Headline price
Mean
Houses
·Limited data
vs 12m
vs 3y
£7.50m£15.00m£10.30m£13.90m3Yn=912Mn=26Mn=0
Flats
Cooling
−1.5% vs 12m
+5.4% vs 3y
£2.90m£5.80m£3.92m£4.20m£4.14m3Yn=7412Mn=126Mn=4
Bar height = median sale price. Tick = mean. Trend word reads the joint state of the 6m-vs-12m and 6m-vs-3y tiers.
Size-normalised — £ per sqm
Mean
Houses
·Limited data
vs 12m
vs 3y
£0£16,500£33,000£24,944£31,0043Yn=812Mn=26Mn=0
Flats
·Plateauing
+2.4% vs 12m
+29.5% vs 3y
£0£18,000£36,000£26,106£33,019£33,8053Yn=5112Mn=76Mn=3
From EPC-matched floor area. Hatched bars mark windows where fewer than 60% of sales matched a certificate.
Show numbers
Houses · 6m
Avg £
n=0
Median £
n=0
Avg £/sqm
£0
n=0
Median £/sqm
£0
n=0
Houses · 12m
Avg £
£13.90m
n=2
Median £
£13.90m
n=2
Avg £/sqm
£31,004
n=2
Median £/sqm
£31,004
n=2
Houses · 3y
Avg £
£11.17m
n=9
Median £
£10.30m
n=9
Avg £/sqm
£24,196
n=8
Median £/sqm
£24,944
n=8
Flats · 6m
Avg £
£4.44m
n=4
Median £
£4.14m
n=4
Avg £/sqm
£29,183
n=3
Median £/sqm
£33,805
n=3
Flats · 12m
Avg £
£4.35m
n=12
Median £
£4.20m
n=12
Avg £/sqm
£29,203
n=7
Median £/sqm
£33,019
n=7
Flats · 3y
Avg £
£5.44m
n=74
Median £
£3.92m
n=74
Avg £/sqm
£27,741
n=51
Median £/sqm
£26,106
n=51
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£0k£4.6m£9.2m20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
Median EPC score
70
Median potential
79
01783562010201520202025
A
B
C
D
E
F
G
COUNCIL TAX
Band distribution.
Column width shows the number of properties in each council tax band. Colour shows the composition within that band.
Flats/maisonettes
Band A
20
Band B
0
Flats/maisonettes
Band C
31
Flats/maisonettes
Band D
502
Flats/maisonettes
Band E
876
Flats/maisonettes
Band F
977
Flats/maisonettes
Band G
1,801
Flats/maisonettes
Terraced
Band H
3,084
Band I
0
Flats/maisonettes
Terraced houses
Other/unknown
Property type totals
Flats/maisonettes
6,680
91%
Terraced houses
528
7.2%
Other/unknown
129
1.8%
AMENITIES
Transport access and schools.
Counts of public transport stop points and schools inside the outcode (or within ~100m of the boundary). Drill into a sector for the full stop-by-stop list.
Rail stations
0
Metro & tram
2
Bus & coach
0
Bus stops
28
Schools
1
SECTORS
Drill down to sector.
Drill in
Open the full report for any W1K sector.
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COVERAGE
Neighbourhoods and wards.
Neighbourhoods (MSOA)
4 · click column to sort
Marylebone & Park Lane
2,541
1,412
Strand, St James & Mayfair
784
567
Fitzrovia West & Soho
279
197
Knightsbridge, Belgravia & Hyde Park
0
0
Wards
2 · click column to sort
West End
3,604
2,176
Knightsbridge & Belgravia
0
0
NEARBY OUTCODES
Nearby outcodes.
FAQ

W1K property data — common questions

What is the average house price in City of Westminster (W1K)?
Over the last 12 months the median house sale price in W1K (City of Westminster) was £13.90m, with an average of £13.90m, from 2 recorded sales (HM Land Registry).
How much do flats cost in W1K?
The median flat sale price in W1K over the last 12 months was £4.20m (about £33,019 per square metre), from 12 recorded sales.
What is the price per square metre in W1K?
Typical sale prices per square metre in W1K are £31,004 for houses and £33,019 for flats, where floor area is recorded on the energy certificate.
What EPC rating do homes in W1K have?
Homes in W1K most commonly hold EPC band C, with a median current energy-efficiency score of 70 (a potential of 79 after improvements).
How many properties sold in W1K in the last year?
14 properties were sold in W1K over the last 12 months, and 83 over the last three years (HM Land Registry Price Paid data).
REFRESHED 11 JUN 2026 ·DATA & SOURCES