Estimated value today£994klast sold £1,000,000, 2025 · likely £880k–£1.11m
Energy ratingC2015 certificate, could be B
Energy bills, a year£1,309about £109 a month at 2026 prices
Price per m²£7,527/m²neighbourhood typical £10,000/m²
See Flat 3, College Mansions, Winchester Avenue from the street and the air
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What would improve this home
Its 2015 energy certificate recommends 4 measures, which together could take it from C to B. All of them together typically cost £5.8k–£15.9k.
Solid wall insulation (internal or external)typically £4k–£14k
Double or triple glazingtypically £1.4k–£1.4k
Low energy lightingtypically £40–£40
Better heating controlstypically £350–£450
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 2025 and we'll adjust the estimate, with a range that shows how sure we can be.
Low£924k
Likely£994k
High£1.06m
Starting value (our estimate)£994k
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 2025 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 (semi-detached)
Tenure
Leasehold
Floor area
132 m² (1,421 sq ft), 5 habitable rooms
Built
1900-1929
Main heating fuel
gas
Sales since 1995
£1.03m (2015) → £1.09m (2016) → £1.00m (2025)
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 £1,490B £1,739C £1,987D £2,235E £2,732F £3,229G £3,725H £4,471
From the 2015 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
Kensal Rise, 0.5 km (busiest route: West Hampstead)
Central London
6.6 km as the crow flies
Large employment centre
21 min by public transport · 13 by car
Town centre
13 min by public transport or walking
Commuting by train/Tube
16% of local workers · 55% mostly work from home
Airport
London Heathrow, 18 km
Everyday life
Weekly shop
food store about 6 min without a car
GP surgery
about 8 min
A&E
St Mary's Hospital, 3.3 km (CQC: Requires improvement)
Top-rated primaries
St Luke's CofE Primary School (0.7 km), St Mary's Kilburn Church of England Primary School (1.5 km), St Eugene de Mazenod Roman Catholic Primary School (1.5 km)
Top-rated secondaries
All Saints Catholic College (1.5 km), Paddington Academy (1.7 km), Kensington Aldridge Academy (2.2 km)
Eating out
45 restaurants and cafés, 7 pubs and bars in the neighbourhood
School distances are straight lines; admissions depend on each school's catchment and criteria.
£2,271 a month for a 3-bedroom home in Brent (2026-08)
Gross yield
2.7% 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
Queens Park
Article 4 direction
Article 4 for HMOs
Brownfield sites in the neighbourhood
5 sites, about 56 homes planned
This home extended?
no extension seen on its energy certificates
Extensions on the street
4 other homes on Winchester Avenue (within 250 m) extended, most recently 2023
Company landlords
8.3% of homes in the neighbourhood are owned by companies (HM Land Registry, Oct 2026)
New homes completed 2021–2025
43 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: Queens ParkChanges 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 for HMOs). Check before planning extensions or conversions.
Old energy certificateThe latest certificate we matched is from 2015; certificates last 10 years. The seller needs a current one, and it may differ.
Older home (built 1900-1929)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.
Resold within a yearIt changed hands quickly at some point. Ask what work was done, and for building-regulations sign-off and any warranties.
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.