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Get started21 Derby Avenue, Harrow, HA3 5JU
3 sales on record1 planning record
About 21 Derby Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Derby Avenue is a two-bedroom semi-detached house in Harrow (HA3 5JU). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (August 2022) shows a C (score 73). When first surveyed in April 2016 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good.
Sale prices here have outpaced Harrow HPI: 7.5% per year against 0% for the wider region. Today's modelled estimate of £384,000 is 12.9% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£564/sq ft) was about 100.9% above the typical sold price in the postcode. One planning record on file: an extension approved in 2006. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). 10 years since the last transfer (September 2016).
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms2
- Bathrooms1
- CloakroomYes
Outside
- Private garden
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Aug 2022
EPC Rating
A
B
C
C73
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
1.9 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 21 Derby Avenue, Harrow, HA3 5JU, sourced from the PlanIt planning register.
- May 2006ExtensionFullGrant
Extension: Single storey · Rear of property
Alterations to roof to form end gable with rear dormer and single storey rear extension
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Sale price has grown by over 3x since 1999.
Current estimate
See how we calculated this£384,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 18 years.
Last sold (2016)
£340,000
Growth on file: 7.5% per year over 18 years.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 21 Derby Avenue, Harrow, HA3 5JU
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Derby Avenue homes
Four headline reads against 11 similar flats on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 21 Derby Avenue runs comfortably ahead of the street norm.
Price per m²
£6,071
Street avg £3,785
Floor Area
56 m²
Street avg 46 m²
Habitable Rooms
3 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
0.2 km
Stanhope Avenue — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 5JU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
52.3dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 60 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Derby Avenue, Harrow, HA3 5JU. Each answer is also embedded as structured data for search engines.