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About 311b
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
311b is a semi-detached house in Harrow (HA3 0QQ). It has a recorded floor area of 65 m² (around 700 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2019) shows a C (score 80), near the top of the C band. When first surveyed in July 2015 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Average to Good and window efficiency went from Poor to Very Good. At 65 m² this is the 7th 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.
At 65 m² it's 27.8% smaller than the typical home in the postcode (90 m² median across 24 EPCs).
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
311b's carbon output is low for the local stock.
Current Certificate(1 of 2)
Jan 2019
EPC Rating
A
B
C
C80
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Good
CO2 Emissions
1.4 t/year
Occupancy
—
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
311b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£338,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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The complete analysis of 311b, 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
Three headline reads against 15 similar flats on this street, drawn from the latest EPC and Land Registry data.
311b outperforms the street on epc rating by a wide margin.
EPC Rating
80 (C)
Street avg 71 (C)
Floor Area
65 m²
Street avg 73 m²
CO₂ Emissions
1.4 t/year
Street avg 2.4 t/year
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 311b, Preston Road, Harrow, HA3 0QQ. Each answer is also embedded as structured data for search engines.