23 Alfriston Avenue, Harrow, HA2 7DY
About 23 Alfriston Avenue
23 Alfriston Avenue is a semi-detached house in Harrow (HA2 7DY). It has a recorded floor area of 163 m² (around 1755 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (March 2025) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 78).
Untraded for 23 years, with the last transfer in January 2003. At 163 m² the property is well over the postcode median (89 m² across 13 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £759,000 sits 148% above the 2003 sale of £306,000. On a £-per-square-foot basis, the last sale (£174/sq ft) was about 62.5% below the postcode norm. One planning record on file: an extension approved in 2009. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved.
Know exactly what you're buying at 23 Alfriston Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
23 Alfriston Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- May 2009DemolitionFullIn report
Extension: Single storey
Single storey front side and rear extension; (demolition of existing garage/store conservatory rear patio and canopy)
Extension- Documents
- 9 docs on file
- Reference
- P/0564/09
We flagged 1 thing worth checking at 23 Alfriston Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
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Sales history & valuation
23 Alfriston Avenue valuation sits well clear of the typical sold price in this postcode.
£759,000
Modelled from EPC, postcode comparables.
£306,000
Recorded with HM Land Registry.
Sales timeline
7 January 2003Most recent
£306,000
Median price across the last 5 sales in HA2 7DY: £635,000 (2025–2017).
Nearby sales in HA2 7DY
Everything we know about 23 Alfriston Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Alfriston Avenue homes
Floor Area for 23 Alfriston Avenue runs comfortably ahead of the street norm.
Price per m²
£1,877
Street avg £4,806
Floor Area
163 m²
Street avg 103 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
8.0 t/year
Street avg 4.3 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Elm Drive — bus stop.
Closest school
0.4 km
Longfield Primary School. 38 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.9dB

Night-time· 23:00 – 07:00
41.1dB