Garnet House, 18, 18 Apple Grove, Harrow, HA2 0FL
About Garnet House
Garnet House is a detached house in Harrow (HA2 0FL). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1991-1995 and council tax band C. At 60 m² this is the 29th smallest of 49 units on EPC record in Garnet House, where floor areas span 50–87 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (February 2026) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (March 2015); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
At 60 m² it's 15.4% larger than the typical home in the postcode (52 m² median across 48 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Know exactly what you're buying at Garnet House
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
Garnet House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
Garnet House has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 2 things worth checking at Garnet House
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Garnet House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£304,000
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.
Everything we know about Garnet House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
Versus other Apple Grove homes
CO₂ Emissions for Garnet House lags the street by a wide margin.
EPC Rating
80 (C)
Street avg 83 (B)
Floor Area
60 m²
Street avg 59 m²
CO₂ Emissions
1.1 t/year
Street avg 0.7 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.4 km
Rayners Lane Station — bus stop.
Closest school
0.5 km
Grange Primary School. 37 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
51.4dB
Night-time· 23:00 – 07:00
40.2dB