8 Butler Avenue, Harrow, HA1 4EH
About 8 Butler Avenue
8 Butler Avenue is a four-bedroom detached house in Harrow (HA1 4EH). It has a recorded floor area of 173 m² (around 1862 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (February 2026) shows a D (score 56), a step below the typical UK home. When first surveyed in February 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 76). This certificate was lodged in the last six months, so the rating reflects current condition.
It hasn't traded since January 2010, a hold of 16 years that's notably long for the area. At 173 m² the property is well over the postcode median (99 m² across 19 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £906,000 sits 58.9% above the 2010 sale of £570,000. One planning record on file: a loft conversion approved in 2021. Past consents include a loft conversion, meaningful when judging how the property has evolved.
Know exactly what you're buying at 8 Butler 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
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- EnsuiteYes
Outside
- Private gardenYes
Energy performance
8 Butler Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Planning history
- Apr 2021Loft ConversionAmendmentIn report
Certificate of lawful development (proposed): Two side dormers; rear dormer installation of one rooflight to front and rear rooflsope
- Documents
- 11 docs on file
- Reference
- P/0579/21
We flagged 1 thing worth checking at 8 Butler 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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
8 Butler Avenue valuation sits well clear of the typical sold price in this postcode.
£906,000
Modelled from EPC, postcode comparables.
£570,000
Recorded with HM Land Registry.
Sales timeline
5 January 2010Most recent
£570,000
Median price across the last 5 sales in HA1 4EH: £470,000 (2025–2019).
Everything we know about 8 Butler 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
- Larger development activity nearby
Versus other Butler Avenue homes
Floor Area for 8 Butler Avenue runs comfortably ahead of the street norm.
Price per m²
£3,295
Street avg £4,318
Floor Area
173 m²
Street avg 131 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
7.8 t/year
Street avg 6.8 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
28/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Lascelles Avenue — bus stop.
Closest school
0.4 km
St Anselm's Catholic Primary School. 35 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
53.9dB
Night-time· 23:00 – 07:00
44.0dB