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Get started15 Courtenay Avenue, Harrow, HA3 5JH
3 sales on record
About 15 Courtenay Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
15 Courtenay Avenue is a semi-detached house in Harrow (HA3 5JH). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (August 2025) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in March 2015 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good; while roof efficiency dropped from Average to Very Poor and lighting dropped from Very Good to Good. The recommended improvements would lift it to B (score 84), a 2-band jump.
Sale prices here have outpaced Harrow HPI: 3.3% per year against 0% for the wider region. Today's modelled estimate of £485,000 sits 51.6% above the 2015 sale of £320,000. On a £-per-square-foot basis, the last sale (£280/sq ft) was about 36.7% above the typical sold price in the postcode. One planning record on file: an extension approved in 2016. Past consents include an extension and subdivision, meaningful when judging how the property has evolved. At 106 m² it's 26.7% larger than the typical home in the postcode (84 m² median across 16 EPCs). 11 years since the last transfer (November 2015).
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Recommended upgrades on file would lift this property by multiple EPC bands.
Current Certificate(1 of 3)
Aug 2025
EPC Rating
A
B
C
D
D60
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.4 t/year
Occupancy
Rented
Planning history
Applications and permits filed against 15 Courtenay Avenue, Harrow, HA3 5JH, sourced from the PlanIt planning register.
Council records show a subdivision application — the property's legal arrangement has been altered.
- Mar 2016SubdivisionFullGrant
Extension: Side and rear of property
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Latest sale on 15 Courtenay Avenue was the highest on Land Registry record across the postcode.
Current estimate
See how we calculated this£485,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 13 years.
Last sold (2015)
£320,000
Growth on file: 3.3% per year over 13 years.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 15 Courtenay Avenue, Harrow, HA3 5JH
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Courtenay Avenue homes
Four headline reads against 16 similar houses on this street, drawn from the latest EPC and Land Registry data.
On price per m², 15 Courtenay Avenue stands well clear of the street.
Price per m²
£3,019
Street avg £1,667
Floor Area
106 m²
Street avg 88 m²
Habitable Rooms
6 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Harrow district page.
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Long Elmes — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 5JH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
50.8dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 57 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 15 Courtenay Avenue, Harrow, HA3 5JH. Each answer is also embedded as structured data for search engines.