7 homes in W1U 6NX

W1U 6NX is a postcode in Marylebone, London, with 7 homes. Each address has a free home report, an official EPC certificate and a recent-sales summary — a tidy way to get to know any home on this street before you knock on the door, view the property or move in next door.

Postcode

W1U 6NX

7 homes indexed

Postcode area

W1U

Free home reports

EPC, sales history, neighbourhood

Energy register

Official EPC reports →

W1U 6NX in numbers

Open data on homes and sales in W1U 6NX, from HM Land Registry and the EPC register.

Homes with an energy certificate

Distinct homes (UPRNs) on the EPC register

Source: EPC register, certificates to September 2026

Most common EPC rating

4 of 6 homes

Source: EPC register, certificates to September 2026

Median floor area

72 m²

Across 6 homes

Source: EPC register, certificates to September 2026

EPC ratings in W1U 6NX
Rating	Homes	Share
A	0	0%
B	0	0%
C	2	33%
D	4	67%
E	0	0%
F	0	0%
G	0	0%
Latest certificate for each home. Source: EPC register, certificates to September 2026

Types of home in W1U 6NX
Type	Homes	Share
Flat	6	100%
Source: EPC register, certificates to September 2026

Latest sales in W1U 6NX
Date	Street address	Price
24 Nov 2023	Portman Mansions Chiltern Street	£955,000
19 Feb 2020	Portman Mansions Chiltern Street	£1,600,000
16 Oct 2015	Portman Mansions Chiltern Street	£1,175,000
31 Jan 2014	Portman Mansions Chiltern Street	£850,000
13 May 2011	Portman Mansions Chiltern Street	£647,500
Source: HM Land Registry Price Paid Data, sales to September 2026

Sale prices are standard residential sales (HM Land Registry category A), each sale counted once. Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0. EPC figures use the latest certificate for each home on the Energy Performance of Buildings Register.