Estimated value today£1.37mlast sold £1,531,246, 2021 · likely £1.22m–£1.53m
Energy ratingE2022 certificate, could be C
Energy bills, a year£1,384about £115 a month at 2026 prices
Price per m²£14,591/m²neighbourhood typical £20,546/m²
See Flat 1, 118, Mount Street from the street and the air
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What would improve this home
Its 2022 energy certificate recommends 3 measures, which together could take it from E to C. All of them together typically cost £6.6k–£17.2k.
Solid wall insulation (internal or external)typically £4k–£14k
Double or triple glazingtypically £1.4k–£1.4k
High heat retention storage heaterstypically £1.2k–£1.8k
In the order the certificate lists them (usually cheapest and most effective first). Costs are the median of the ranges quoted on certificates across England and Wales, not quotes for this home. Grants may help: check the government's home energy grants service.
What's it worth with your changes?
Sale records can't see extensions, conversions or condition. Tell us what's changed since 2021 and we'll adjust the estimate, with a range that shows how sure we can be.
Low£1.28m
Likely£1.37m
High£1.47m
Starting value (our estimate)£1.37m
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 2021 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 (enclosed end-terrace)
Tenure
Leasehold
Floor area
94 m² (1,012 sq ft), 4 habitable rooms
Built
before 1900
Main heating fuel
electricity
Sales since 1995
£1.66m (2015) → £1.53m (2021) → £2.42m (2023)
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 2022 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 Charing Cross, 0.8 km (busiest route: London Bridge)
Central London
0.6 km as the crow flies
Large employment centre
4 min by public transport · 7 by car
Town centre
11 min by public transport or walking
Commuting by train/Tube
11% of local workers · 57% mostly work from home
Airport
London City, 13 km
Everyday life
Weekly shop
food store about 7 min without a car
GP surgery
about 8 min
A&E
St Thomas' Hospital, 1.7 km (CQC: Outstanding)
Top-rated primaries
St Vincent's Catholic Primary School (1.6 km), St George the Martyr Church of England Primary School (2 km)
Top-rated secondaries
The Grey Coat Hospital (1.5 km), Oasis Academy South Bank (2.1 km), Pimlico Academy (2.4 km)
Eating out
986 restaurants and cafés, 45 pubs and bars in the neighbourhood
School distances are straight lines; admissions depend on each school's catchment and criteria.
£3,895 a month for a 3-bedroom home in Westminster (2026-08)
Gross yield
3.4% on the estimated value
Letting rules
rated E: lettable today, but likely to need upgrading for the planned C 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; Article 4 Direction Class E To C3 In Central Activities Zone
Brownfield sites in the neighbourhood
50 sites, about 0 homes planned
This home extended?
yes: 67 m² → 94 m² by 2022 (energy certificates)
Extensions on the street
2 other homes on Mount Street (within 250 m) extended, most recently 2026
Company landlords
24.6% of homes in the neighbourhood are owned by companies (HM Land Registry, Oct 2026)
New homes completed 2021–2025
225 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; Article 4 Direction Class E To C3 In Central Activities Zone). Check before planning extensions or conversions.
Energy rating EExpect higher bills and, if you plan to let it, work may be needed: rented homes must reach at least E today and the government plans C. The certificate says it could reach C.
Older home (built before 1900)Consider a full building survey (RICS Level 3) rather than a basic one: older homes more often have damp, roof, wiring, drainage or structural movement issues, and past alterations may predate building regulations.
Extended: 67 m² → 94 m²Its energy certificates show the floor area grew by 27 m² (certificate 2022). Ask for the planning permission or a lawful development certificate, building-regulations completion certificates, and any party wall agreements.
Slow broadband likelyOnly 0% of premises in this postcode can get superfast broadband (30 Mbit/s+). Check the exact address if you work from home.
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.