27 Harley Road, Harrow, HA1 4XF
About 27 Harley Road
27 Harley Road is a semi-detached house in Harrow (HA1 4XF). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (May 2022) shows a C (score 69), just inside the C band. When first surveyed in May 2012 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and main heating went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84).
Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Across 2012–2019, sale prices on this property compounded at 6% per year. Today's modelled estimate of £544,000 is 23.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£545/sq ft) was about 82.5% above the typical sold price in the postcode. Sold January 2019 for £440,000.
Know exactly what you're buying at 27 Harley Road
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Cavity wall insulation installed
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Planning history
27 Harley Road has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 27 Harley Road
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
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Sales history & valuation
27 Harley Road valuation sits well clear of the typical sold price in this postcode.
£544,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 7 years.
£440,000
Growth on file: 6.0% per year over 7 years.
Sales timeline
31 January 2019Most recent
£440,000
+46.7%over 6 years2 July 2012
£300,000
Median price across the last 5 sales in HA1 4XF: £480,000 (2024–2018).
Everything we know about 27 Harley Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Harley Road homes
On co₂ emissions, 27 Harley Road stands well clear of the street.
Price per m²
£5,867
Street avg £4,664
Floor Area
75 m²
Street avg 87 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 4.0 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
28/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Hide Road — bus stop.
Closest school
0.2 km
Marlborough Primary School. 30 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.6dB

Night-time· 23:00 – 07:00
40.3dB