Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started9 Borrowdale Avenue is a three-bedroom semi-detached house in Harrow (HA3 7PX). It has a recorded floor area of 93 m² (around 998 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (July 2011) shows an E (score 48), well below the UK norm with real room to improve. The latest certificate is from July 2011, so improvements made since then won't be reflected.
Sale prices here have outpaced Harrow HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £626,000 is 14.9% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£546/sq ft) was about 21.5% above the typical sold price in the postcode. 3 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). 9 years since the last transfer (August 2017).
9 Borrowdale Avenue's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 19 Jul 2021
Extension: Part single, part two storey · Side and rear of property
First floor side extension; single and two storey rear extension; external alterations
Sale price has at least doubled since 2001.
£626,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 16 years.
£545,000
Growth on file: 6.8% per year over 16 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
On epc rating, 9 Borrowdale Avenue runs well behind the street norm.
Price per m²
£5,877
Street avg £4,698
Floor Area
93 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
49.4dB

Certificate of lawful proposed development: first floor side extension to roof and two storey rear extension
1 more application for this property
Join to see all planning history.
18 August 2017Most recent
£545,000
+60.3%over 5 years16 December 2011
£340,000
+78.9%over 10 years12 September 2001
£190,000
Median price across the last 5 sales in HA3 7PX: £440,000 (2023–2013).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
Ad-free · Instant access · Secure Stripe checkout · One-off payment
CO₂ Emissions
5.7 t/year
Street avg 4.4 t/year
HA3 7HS
Borrowdale Avenue — bus stop.
Closest school
0.2 km
St Joseph's Catholic Primary School. 40 schools nearby.
Night-time· 23:00 – 07:00
38.3dB