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Get started9 Byron Road is a one-bedroom semi-detached house in Wealdstone, Harrow, Harrow (HA3 7SY). It has a recorded floor area of 145 m² (around 1561 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (December 2020) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since November 2009. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 82), a 2-band jump.
Held since November 2010 — that's 16 years off the open market, well above the local norm. Sale prices here have outpaced Harrow HPI: 10.7% per year against 0% for the wider region. Today's modelled estimate of £635,000 sits 76.4% above the 2010 sale of £360,000. At 145 m² the property is well over the postcode median (81 m² across 34 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Recommended upgrades on file would lift this property by multiple EPC bands.
9 Byron Road has 2 separate extension applications on the council record.
Replacement garage at rear
Price for 9 Byron Road has grown more than fourfold since the 1996 starting point.
£635,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.7% per year over 14 years.
£360,000
Growth on file: 10.7% per year over 14 years.
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Detailed AI analysis
9 Byron Road outperforms the street on floor area by a wide margin.
Price per m²
£2,483
Street avg £5,090
Floor Area
145 m²
Street avg 89 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Harrow Leisure Centre — bus stop.

Daytime· 07:00 – 23:00
52.3dB

Changes detected from historical EPC data
More low energy lighting installed
Heating controls upgraded for better temperature management
Roof insulation improved
More low energy lighting installed
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Extension: Single storey · Rear of property
Single storey rear extension (revised)
1 more application for this property
Join to see all planning history.
11 November 2010Most recent
£360,000
+200.0%over 9 years6 November 2001
£120,000
+41.2%over 5 years13 August 1996
£85,000
Median price across the last 5 sales in HA3 7SY: £460,000 (2024–2023).
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
5.4 t/year
Street avg 4.2 t/year
HA3 7RT
Closest school
0.6 km
Elmgrove Primary School & Nursery. 40 schools nearby.
Night-time· 23:00 – 07:00
41.2dB