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Get started307 Preston Road is a mid-terrace house in Harrow (HA3 0QQ). It has a recorded floor area of 12 m² (around 129 sq ft) and construction records dating it to 1900-1929. At 12 m² this is the smallest unit on EPC record across the building (12–287 m²). The building's EPC ratings span E to B across 25 units on file. The latest certificate (January 2021) shows a C (score 71). When first surveyed in January 2021 the rating was D, the property has climbed 1 band since. Main heating runs on electricity.
Today's modelled estimate of £245,000 is 62% below the 2020 sale of £645,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£4,994/sq ft) was about 1297.6% above the typical sold price in the postcode. 3 planning records sit against the property, 0 approved, 2 refused, 1 pending. An active application for an extension is awaiting a decision. At 12 m² it sits well below the postcode median (90 m² across 24 EPCs), making it one of the more compact homes locally. Most recent transfer: September 2020 at £645,000.
307 Preston Road's carbon output is low for the local stock.
A recent planning application at 307 Preston Road was refused — worth checking the council file.
Proposed two-storey side to rear wrap-around extension, to create a 3-bedroom flat at ground-floor level, reduction of the existing ground-floor 4-bed 4-person HMO to a 3-bed 3-person HMO and enlargement of the existing upper-floor 5-bed 5-person HMO, erection of a single-storey detached outbuilding for communal gym with separate cycle storage in the rear garden and associated landscaping with refuse storage in the front forecourt
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£245,000
Modelled from EPC, postcode comparables.
£645,000
Recorded with HM Land Registry.
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Detailed AI analysis
Price per m² for 307 Preston Road runs comfortably ahead of the street norm.
Price per m²
£53,750
Street avg £6,474
Floor Area
12 m²
Street avg 77 m²
Habitable Rooms
1 rooms
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.

Daytime· 07:00 – 23:00
49.8dB

Changes detected from historical EPC data
Are we missing something? Tell us about home improvements to help adjust your valuation.
Proposed two-storey side to rear wrap-around extension, to create a 3-bedroom flat at ground-floor level, reduction of the ground-floor 4-bed 4-person HMO to a 3-bed 3-person HMO and enlargement of the upper-floor 5-bed 5-person HMO, erection of a single-storey detached outbuilding for communal gym with separate cycle storage in the rear garden and associated landscaping with refuse storage in the front forecourt.
1 more application for this property
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30 September 2020Most recent
£645,000
Median price across the last 5 sales in HA3 0QQ: £565,000 (2023–2021).
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Street avg 3 rooms
CO₂ Emissions
1.3 t/year
Street avg 2.4 t/year
Closest school
0.5 km
Preston Park Primary School. 46 schools nearby.
Night-time· 23:00 – 07:00
38.4dB