The Penthouse, Flat 1, Clonmel Close, Harrow, HA2 0JZ
About The Penthouse
The Penthouse is a semi-detached house in Harrow (HA2 0JZ). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (January 2026) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2016. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good; while hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80). This certificate was lodged in the last six months, so the rating reflects current condition.
At 98 m² the property is well over the postcode median (75 m² across 3 EPCs), placing it in the larger end of the local stock.
Know exactly what you're buying at The Penthouse
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
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation improved
More low energy lighting installed
Planning history
The Penthouse has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 2 things worth checking at The Penthouse
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
The Penthouse has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£464,000
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.
Median price across the last 5 sales in HA2 0JZ: £910,000 (2021–1998).
Everything we know about The Penthouse, 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 Clonmel Close homes
The Penthouse outperforms the street on epc rating by a wide margin.
EPC Rating
63 (D)
Street avg 60 (D)
Floor Area
98 m²
Street avg 81 m²
CO₂ Emissions
3.9 t/year
Street avg 4.1 t/year
Habitable Rooms
4 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
0.2 km
Dudley Gardens — bus stop.
Closest school
0.1 km
Roxeth Primary School. 31 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
50.5dB
Night-time· 23:00 – 07:00
41.5dB