21a, Harrow View, Harrow, HA1 1RE
About 21a
21a is a semi-detached house in Harrow (HA1 1RE). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (February 2025) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since August 2011. Between certificates, window efficiency went from Poor to Good. The recommended improvements would push it to C (score 74).
Untraded for 20 years, with the last transfer in May 2006. Across 1999–2006, sale prices on this property compounded at 12.1% per year. Today's modelled estimate of £334,000 sits 88.7% above the 2006 sale of £177,000.
Know exactly what you're buying at 21a
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
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
21a has no planning applications on record.
Notable planning nearby
9applications of note in the surrounding area
We flagged 1 thing worth checking at 21a
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
30-day money-back guarantee
Sales history & valuation
21a has more than doubled in price since the earliest registered sale in 1999.
£334,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.1% per year over 7 years.
£177,000
Growth on file: 12.1% per year over 7 years.
Sales timeline
4 May 2006Most recent
£177,000
+60.9%over 5 years20 March 2001
£110,000
+39.2%over 1 year15 April 1999
£79,000
Median price across the last 5 sales in HA1 1RE: £315,000 (2025–2021).
Everything we know about 21a, 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
Versus other Harrow View homes
Habitable Rooms for 21a lags the street by a wide margin.
Price per m²
£2,723
Street avg £3,801
Floor Area
65 m²
Street avg 61 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.1 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
0.0 km
Hindes Road — bus stop.
Closest school
0.2 km
Norbury School. 33 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
52.0dB
Night-time· 23:00 – 07:00
42.0dB