9a, Grange Avenue, East Barnet, Barnet, EN4 8NJ
About 9a
9a is a semi-detached house in East Barnet, Barnet, Barnet (EN4 8NJ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1930-1949 and council tax band C. At 45 m² this is the 14th smallest of 27 units on EPC record in the building, where floor areas span 39–117 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (February 2023) shows a C (score 71). When first surveyed in June 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor.
It hasn't traded since August 1998, a hold of 28 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £310,000 sits 313.3% above the 1998 sale of £75,000. On a £-per-square-foot basis, the last sale (£155/sq ft) was about 61.1% below the postcode norm. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).
Everything you need to know about 9a
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
More low energy lighting installed
Planning history
9a has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 9a
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
9a's modelled value sits at over four times its earliest registered sale price (1998).
£310,000
Modelled from EPC, postcode comparables.
£75,000
Recorded with HM Land Registry.
Sales timeline
26 August 1998Most recent
£75,000
Median price across the last 5 sales in EN4 8NJ: £385,000 (2025–2021).
Nearby sales in EN4 8NJ
25 Grange Avenue, East Barnet, Barnet, EN4 8NJ
Sold Sept 2025
£621,50019 Grange Avenue, East Barnet, Barnet, EN4 8NJ
Sold Sept 2025
£340,00031a, Grange Avenue, East Barnet, Barnet, EN4 8NJ
Sold Mar 2025
£280,00021 Grange Avenue, East Barnet, Barnet, EN4 8NJ
Sold Jan 2025
£385,0005 Grange Avenue, East Barnet, Barnet, EN4 8NJ
Sold Dec 2021
£680,000
Versus other Grange Avenue homes
On epc rating, 9a stands well clear of the street.
Price per m²
£1,667
Street avg £5,764
Floor Area
45 m²
Street avg 43 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.2 t/year
Everything you need to know about 9a
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
St Marys Church/Church Hill Rd — bus stop.
Closest school
0.1 km
Church Hill School. 48 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
51.0dB
Night-time· 23:00 – 07:00
39.5dB