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1 planning record
About 309 Preston Road
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
309 Preston Road is a semi-detached house in Harrow (HA3 0QQ). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1930-1949 and council tax band C. At 82 m² this is the 11th smallest of 25 units on EPC record in the building, where floor areas span 12–287 m². The building's EPC ratings span E to B across 25 units on file. The latest certificate (January 2021) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 72).
Sale prices here have outpaced Harrow HPI: 4.4% per year against 0% for the wider region. Today's modelled estimate of £564,000 is 26.3% below the 2021 sale of £765,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£867/sq ft) was about 137.8% above the typical sold price in the postcode. One planning record on file: an extension approved in 2025. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £765,000 in July 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Rating
A
B
C
D
D59
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
4.2 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 309 Preston Road, Harrow, HA3 0QQ, sourced from the PlanIt planning register.
- Sept 2025ExtensionConditionsGranted
Details pursuant to conditions 4 (Construction Method Statement), 7 (Landscaping Plan) and 8 (Preliminary Roost Assessment & Daytime Bat Walkover) of Full Planning Permission application reference 24/1318 dated 14/02/2025 for Proposed demolition of rear extension, erection of single storey and part first floor rear extension with extension of catslide roof, two storey side extension, three rear dormer windows, and associated landscaping works with car and cycle parking spaces to the existing nursery.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Sale price has at least doubled since 2000.
Current estimate
See how we calculated this£564,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 21 years.
Last sold (2021)
£765,000
Growth on file: 4.4% per year over 21 years.
Sales timeline
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The complete analysis of 309 Preston Road, Harrow, HA3 0QQ
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Preston Road homes
Four headline reads against 15 similar flats on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 309 Preston Road lags the street by a wide margin.
Price per m²
£9,329
Street avg £15,358
Floor Area
82 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Street avg 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
Woodcock Hill — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 0QQ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
49.8dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 76 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 309 Preston Road, Harrow, HA3 0QQ. Each answer is also embedded as structured data for search engines.