Thomas Hewlett House, Flat 1, 25 Hartington Close, Harrow, HA1 3RJ
About Thomas Hewlett House
Thomas Hewlett House is a mid-terrace house in Harrow (HA1 3RJ). It has a recorded floor area of 38 m² (around 409 sq ft) and construction records dating it to 1976-1982. At 38 m² this is the 3rd smallest of 26 units on EPC record in Thomas Hewlett House, where floor areas span 38–53 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (March 2013) shows a C (score 75), near the top of the C band. The latest certificate is from March 2013, so improvements made since then won't be reflected.
Know exactly what you're buying at Thomas Hewlett 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
Thomas Hewlett House's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Mar 2023
EPC Rating
Planning history
Thomas Hewlett House has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at Thomas Hewlett 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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Thomas Hewlett House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£238,000
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 HA1 3RJ: £252,500 (2024–2017).
Nearby sales in HA1 3RJ
Everything we know about Thomas Hewlett 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
- Larger development activity nearby

Versus other Hartington Close homes
Thomas Hewlett House is notably below the street on floor area.
EPC Rating
75 (C)
Street avg 75 (C)
Floor Area
38 m²
Street avg 42 m²
CO₂ Emissions
1.3 t/year
Street avg 1.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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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
0.1 km
Sudbury Hill Harrow Rail Station — railway station.
Closest school
0.7 km
St George's Primary Catholic Voluntary Academy. 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
42.0dB