Estimated value today£860klast sold £860,000, 2026 · likely £762k–£958k
Energy ratingC2025 certificate
Energy bills, a year£971about £81 a month at 2026 prices
Price per m²£11,622/m²neighbourhood typical £14,352/m²
See Flat D, 30, Upper Montagu Street from the street and the air
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What would improve this home
Its 2025 energy certificate recommends 2 measures. All of them together typically cost £1.8k–£1.9k.
Better heating controlstypically £350–£450
Double or triple glazingtypically £1.4k–£1.4k
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 2026 and we'll adjust the estimate, with a range that shows how sure we can be.
Low£800k
Likely£860k
High£920k
Starting value (our estimate)£860k
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 2026 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 (mid-terrace)
Tenure
Leasehold
Floor area
74 m² (797 sq ft), 4 habitable rooms
Built
before 1900
Main heating fuel
gas
Sales since 1995
£169k (1996) → £860k (2026)
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 2025 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, 0.5 km (busiest route: High Wycombe)
Central London
2.6 km as the crow flies
Large employment centre
5 min by public transport · 7 by car
Town centre
19 min by public transport or walking
Commuting by train/Tube
10% of local workers · 61% mostly work from home
Airport
London City, 15 km
Everyday life
Weekly shop
food store about 6 min without a car
GP surgery
about 6 min
A&E
St Mary's Hospital, 0.8 km (CQC: Requires improvement)
Top-rated primaries
Christ Church Bentinck CofE Primary School (0.5 km), Ark King Solomon Academy (0.6 km), St Vincent's Catholic Primary School (0.6 km)
Top-rated secondaries
Ark King Solomon Academy (0.6 km), Paddington Academy (2.2 km), The Grey Coat Hospital (3.1 km)
Eating out
109 restaurants and cafés, 2 pubs and bars in the neighbourhood
School distances are straight lines; admissions depend on each school's catchment and criteria.
£3,305 a month for a 2-bedroom home in Westminster (2026-08)
Gross yield
4.6% on the estimated value
Letting rules
rated C: 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
Portman Estate
Article 4 direction
Article 4 Basement Development Permitted Rights Removed
Brownfield sites in the neighbourhood
15 sites, about 0 homes planned
This home extended?
no extension seen on its energy certificates
Extensions on the street
5 other homes on Upper Montagu Street (within 250 m) extended, most recently 2026
Company landlords
15.6% of homes in the neighbourhood are owned by companies (HM Land Registry, Oct 2026)
New homes completed 2021–2025
115 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: Portman EstateChanges 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.
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.
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.