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Get started15 Orchard Grove is a three-bedroom mid-terrace house in Harrow (HA3 9QR). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (July 2019) shows a C (score 69), just inside the C band. When first surveyed in June 2015 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, hot-water efficiency went from Average to Very Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 89).
4 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). Today's modelled estimate of £527,000 is 18.7% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£598/sq ft) was about 62.8% above the typical sold price in the postcode. Most recent transfer: February 2020 at £444,000.
A a single-storey rear extension application was refused at 15 Orchard Grove in 2021.
Extension: Single storey · Rear of property
Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 2.90 metres high to the eaves
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£527,000
Modelled from EPC, postcode comparables.
£444,000
Recorded with HM Land Registry.
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Detailed AI analysis
CO₂ Emissions for 15 Orchard Grove runs comfortably ahead of the street norm.
Price per m²
£6,435
Street avg £5,487
Floor Area
69 m²
Street avg 80 m²
Habitable Rooms
4 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
Preston Hill — bus stop.

Daytime· 07:00 – 23:00
52.4dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Single storey rear extension: 6.00 metres deep, 3.60 metres maximum height and 2.70 metres high to the eaves
2 more applications for this property
Join to see all planning history.
14 February 2020Most recent
£444,000
Median price across the last 5 sales in HA3 9QR: £475,000 (2025–2022).
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Detailed EPC data
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Full planning history
Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
2.6 t/year
Street avg 4.0 t/year
HA3 9JR
Closest school
0.4 km
St Bernadette's Catholic Primary School. 48 schools nearby.
Night-time· 23:00 – 07:00
42.6dB