19 Grange Avenue, Barnet, London, N20 8AA
About 19 Grange Avenue
19 Grange Avenue is a five-bedroom detached house in Barnet, London, London (N20 8AA). It has a recorded floor area of 539 m² (around 5802 sq ft), construction records dating it to 1950-1966 and council tax band H. The latest certificate (August 2021) returns a high B (score 88), putting the home a stone's throw from an A rating. When first surveyed in December 2015 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Very Good, roof efficiency went from Average to Very Good and window efficiency went from Average to Very Good.
At 539 m² it's 15.4% larger than the typical home in the postcode (467 m² median across 9 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £4,281,000 sits 94.6% above the 2017 sale of £2,200,000. On a £-per-square-foot basis, the last sale (£379/sq ft) was about 26.4% below the postcode norm. 14 planning records sit against the property, 8 approved, 1 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. On the market in September 2017 and unlisted since — roughly 9 years.
What this property has
Inside
- Bedrooms5
- Bathrooms2
Energy performance
19 Grange Avenue ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Heating controls upgraded for better temperature management
High performance glazing installed
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m², we believe a Level 3 building survey should be considered.
Planning history
19 Grange Avenue has been extended on multiple sides of the property across separate planning applications.
- Sept 2022Tree WorksTreesIn report
1 x Eucalyptus (applicants ref. T1) - Remove and replace at or near the location of the existing tree with a dawn redwood.
- Agent
- John Cromar's Arboricultural Company Limited
- Documents
- 4 docs on file
- Reference
- TCP/0437/22
- Jul 2022Tree WorksTreesIn report
1 x Dead Cedar (Applicant's reference T1) - Fell
- Agent
- The Landscape Garden Company Ltd
- Documents
- 3 docs on file
- Reference
- TCP/0330/22
What's in 19 Grange Avenue, Barnet, London, N20 8AA's planning history?
12 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
19 Grange Avenue valuation sits well clear of the typical sold price in this postcode.
£4,281,000
Modelled from EPC, postcode comparables.
£2,200,000
Recorded with HM Land Registry.
Sales timeline
7 September 2017Most recent
£2,200,000
Median price across the last 5 sales in N20 8AA: £3,000,000 (2024–2013).
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
£4,700,0005 Grange Avenue, Barnet, London, N20 8AA
Sold Mar 2015
£3,000,0003 Grange Avenue, Barnet, London, N20 8AA
Sold Dec 2013
£2,525,0007 Grange Avenue, Barnet, London, N20 8AA
Sold Jun 2013
£2,500,000
Versus other Grange Avenue homes
On epc rating, 19 Grange Avenue stands well clear of the street.
Price per m²
£4,082
Street avg £6,940
Floor Area
539 m²
Street avg 406 m²
CO₂ Emissions
5.8 t/year
Street avg 13.9 t/year
Years Held
9 years
Street avg 11 years
Similar properties nearby
1 Grange Avenue, Barnet
N20 8AA
1 Hadar Close, Barnet
N20 8TL
1 The Pastures, Barnet
N20 8AN
1 Totteridge Village, Barnet
N20 8NX
1 Lynton Mead, Barnet
N20 8DG
1 Ventnor Drive, Barnet
N20 8BT
1 Greenway, Barnet
N20 8EE
1 West Hill Way, Barnet
N20 8QX
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







