21a, Grange Avenue, East Barnet, Barnet, EN4 8NJ
About 21a
21a is a two-bedroom semi-detached house in East Barnet, Barnet, Barnet (EN4 8NJ). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (August 2021) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2010); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78). At 42 m² this is the 5th 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 across 27 units on file.
11 years since the last transfer (February 2015). Across the public record there are 4 sales, relatively high churn for a single property. Across 1998–2015, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £332,000 is 20.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£608/sq ft) was about 63.4% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
Everything you need to know about 21a
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
More low energy lighting installed
Planning history
21a has no planning applications on record.
Notable planning nearby
2applications 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.
- Larger development activity nearby
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Sales history & valuation
Price for 21a has grown more than fourfold since the 1998 starting point.
£332,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.7% per year over 17 years.
£275,000
Growth on file: 8.7% per year over 17 years.
Sales timeline
20 February 2015Most recent
£275,000
+34.1%over 4 years27 May 2010
£205,000
-3.5%over 2 years20 September 2007
£212,500
+222.0%over 9 years30 January 1998
£66,000
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 floor area, 21a runs well behind the street norm.
Price per m²
£6,548
Street avg £5,477
Floor Area
42 m²
Street avg 43 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.2 t/year
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
Similar properties nearby
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