14a, Butler Avenue, Harrow, HA1 4EH
About 14a
14a is a three-bedroom detached house in Harrow (HA1 4EH). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1900-1929 and council tax band C. Tenure is freehold. At 99 m² this is the 10th smallest of 20 units on EPC record in the building, where floor areas span 24–174 m². The building's EPC ratings span F to C across 20 units on file. Period features are noted in the property record. The latest certificate (August 2021) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).
It changed hands recently, sold July 2025 for £491,500. Across 1999–2025, sale prices on this property compounded at 9.1% per year. On a £-per-square-foot basis, the last sale (£461/sq ft) was about 51.7% above the typical sold price in the postcode.
Know exactly what you're buying at 14a
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
- Bedrooms3
- Bathrooms1
- Dining roomYes
- FireplaceYes
Outside
- Private gardenWest-facing
Building
- TenureFreehold
- Period featuresYes
- RefurbishedYes
Energy performance
EPC Rating
Planning history
14a has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 14a
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
Price for 14a has grown more than fourfold since the 1999 starting point.
£504,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.1% per year over 26 years.
£491,500
Growth on file: 9.1% per year over 26 years.
Sales timeline
2 July 2025Most recent
£491,500
+3.5%over 7 years17 August 2017
£475,000
+232.2%over 16 years21 June 2001
£143,001
+186.0%over 2 years27 April 1999
£50,000
Median price across the last 5 sales in HA1 4EH: £470,000 (2025–2018).
Everything we know about 14a, 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 14a runs comfortably ahead of the street norm.
Price per m²
£4,965
Street avg £4,074
Floor Area
99 m²
Street avg 81 m²
Habitable Rooms
5 rooms
Street avg 3 rooms
CO₂ Emissions
4.1 t/year
Street avg 3.8 t/year
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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