Estimated value today£22.48mlast sold £24,000,000, 2017 · likely £19.92m–£25.05m
Energy ratingB2016 certificate
Energy bills, a year£2,112about £176 a month at 2026 prices
Price per m²£55,787/m²neighbourhood typical £21,600/m²
See Apartment 3, 77, South Audley Street from the street and the air
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What's it worth with your changes?
Sale records can't see extensions, conversions or condition. Tell us what's changed since 2017 and we'll adjust the estimate, with a range that shows how sure we can be.
Low£20.91m
Likely£22.48m
High£24.06m
Starting value (our estimate)£22.48m
Range includes ±7% for the estimate itself. Effects are typical ranges, not this home's: a surveyor or local agent who sees it will do better. Work done before 2017 is already in the price. Evidence: of 573,662 homes we saw extended on their energy certificates (median +30 m²), the 123,110 that sold before and after grew a median 10.9% more than their neighbourhood: about a third of the extra space at the home's average price per m².
The home
Type
Flat (detached)
Tenure
Leasehold
Floor area
403 m² (4,338 sq ft)
Built
2016
Main heating fuel
–
Sales since 1995
£24.00m (2017)
The estimate moves the last sale in line with the neighbourhood's like-for-like price index. It can't see extensions, condition or the market for this particular home: it is not a valuation.
A £700B £816C £933D £1,050E £1,283F £1,516G £1,749H £2,099
From the 2016 energy certificate, rescaled to 2026 gas and electricity prices (approximate national averages). Appliances, cooking and standing charges are not included; actual bills depend on how you live.
Getting about
Nearest station
London Marylebone, 1.0 km (busiest route: High Wycombe)
Central London
1.9 km as the crow flies
Large employment centre
4 min by public transport · 6 by car
Town centre
18 min by public transport or walking
Commuting by train/Tube
8% of local workers · 63% mostly work from home
Airport
London City, 14 km
Everyday life
Weekly shop
food store about 7 min without a car
GP surgery
about 5 min
A&E
University College Hospital & Elizabeth Garrett Anderson Wing, 1.4 km (CQC: Good)
Top-rated primaries
St Vincent's Catholic Primary School (0.2 km), Christ Church Bentinck CofE Primary School (1.2 km), Ark King Solomon Academy (1.4 km)
Top-rated secondaries
Ark King Solomon Academy (1.4 km), The Grey Coat Hospital (2.6 km), Paddington Academy (3 km)
Eating out
271 restaurants and cafés, 11 pubs and bars in the neighbourhood
School distances are straight lines; admissions depend on each school's catchment and criteria.
£2,957 a month for a flat in Westminster (2026-08)
Gross yield
0.2% on the estimated value
Letting rules
rated B: meets the current E minimum
Council-wide average rents (ONS Price Index of Private Rents); bedrooms estimated from the certificate's habitable rooms. Before costs, voids, tax and mortgage interest.
Planning and development
Conservation area
Mayfair
Article 4 direction
Article 4 Basement Development Permitted Rights Removed
Brownfield sites in the neighbourhood
14 sites, about 0 homes planned
This home extended?
no extension seen on its energy certificates
Extensions on the street
1 other home on South Audley Street (within 250 m) extended, most recently 2011
Company landlords
22.0% of homes in the neighbourhood are owned by companies (HM Land Registry, Oct 2026)
New homes completed 2021–2025
234 in the neighbourhood
Questions to raise
Generated from the facts above, as prompts for your solicitor, surveyor or the agent. Not legal advice.
LeaseholdAsk for the years left on the lease (under about 85 is a warning sign for lenders), the ground rent and how it rises, service charges for the last three years, any planned major works, and who the freeholder and managing agent are.
Flat in a blockAsk about the building's fire safety and cladding (an EWS1 form if the block is 11 m or taller), the reserve fund, and any restrictions on subletting, pets or alterations.
Conservation area: MayfairChanges to the outside (windows, doors, roofs, extensions, satellite dishes) and work on trees usually need consent. Ask whether past alterations had permission.
Article 4 directionSome work normally allowed without planning permission needs it here (Article 4 Basement Development Permitted Rights Removed). Check before planning extensions or conversions.
Old energy certificateThe latest certificate we matched is from 2016; certificates last 10 years. The seller needs a current one, and it may differ.
For every purchaseCommission a survey suited to the home's age and condition, check the title plan matches what you see on the ground (boundaries, access, parking), and ask about disputes with neighbours, rights of way and shared drives.