3 Grange Avenue, Barnet, London, N20 8AA
About 3 Grange Avenue
3 Grange Avenue is a five-bedroom detached house in Barnet, London, London (N20 8AA). It has a recorded floor area of 330 m² (around 3556 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (August 2011) shows a D (score 59), a step below the typical UK home. The latest certificate is from August 2011, so improvements made since then won't be reflected.
At 330 m² it sits well below the postcode median (474 m² across 9 EPCs), making it one of the more compact homes locally. 7 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, a garage conversion and a porch, meaningful when judging how the property has evolved. Across 1996–2013, sale prices on this property compounded at 10.5% per year. Today's modelled estimate of £3,064,000 is 21.3% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£710/sq ft) was about 40.3% above the typical sold price in the postcode. Last changed hands 12 years ago, in December 2013.
What this property has
Inside
- Bedrooms5
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Energy performance
3 Grange Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Aug 2021
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m², has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
Planning history
3 Grange Avenue has 2 separate extension applications on the council record.
- Jun 2014Garage ConversionFullIn report
Extension: Single storey · Rear of property
Relocation of front entrance including new front porch and demolition of existing bay window. Part conversion of garage into habitable space. Extension to roof including 2no. front dormers, 2no. rear dormers and 3no. rooflights. Alterations to fenestration.
- Agent
- Perceptions
ExtensionPorch- Documents
- 31 docs on file
- Reference
- B/02291/14
- Mar 2014ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension and alterations to rear fenestration at first floor.
- Agent
- Perceptions
- Documents
- 23 docs on file
- Reference
- B/00645/14
What's in 3 Grange Avenue, Barnet, London, N20 8AA's planning history?
5 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Price for 3 Grange Avenue has grown more than fourfold since the 1996 starting point.
£3,064,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.5% per year over 17 years.
£2,525,000
Growth on file: 10.5% per year over 17 years.
Sales timeline
11 December 2013Most recent
£2,525,000
+473.9%over 17 years10 July 1996
£440,000
Median price across the last 5 sales in N20 8AA: £3,000,000 (2024–2015).
Nearby sales in N20 8AA
9 Grange Avenue, Barnet, London, N20 8AA
Sold May 2024
£3,900,00011 Grange Avenue, Barnet, London, N20 8AA
Sold Nov 2022
£4,700,00019 Grange Avenue, Barnet, London, N20 8AA
Sold Sept 2017
£2,200,0005 Grange Avenue, Barnet, London, N20 8AA
Sold Mar 2015
£3,000,0007 Grange Avenue, Barnet, London, N20 8AA
Sold Jun 2013
£2,500,000
Versus other Grange Avenue homes
On epc rating, 3 Grange Avenue runs well behind the street norm.
Price per m²
£7,644
Street avg £6,495
Floor Area
330 m²
Street avg 429 m²
Habitable Rooms
10 rooms
Street avg 10 rooms
CO₂ Emissions
14.0 t/year
Street avg 13.0 t/year
Similar properties nearby
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Grange Avenue (N20) — bus stop.
Closest school
0.6 km
The Totteridge Academy. 24 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
44.8dB

Night-time· 23:00 – 07:00
38.7dB







