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15 planning records
About 9 Grange Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
9 Grange Avenue is a six-bedroom detached house in Barnet, London, London (N20 8AA). It has a recorded floor area of 374 m² (around 4026 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (February 2022) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2010. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Average and window efficiency went from Average to Good. The recommended improvements would push it to C (score 74).
Sale prices here have outpaced London HPI: 2.7% per year against 0% for the wider region. Today's modelled estimate of £4,765,000 is 22.2% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£969/sq ft) was about 107.9% above the typical sold price in the postcode. 15 planning records sit against the property, 4 approved, 3 refused, 2 pending. Past consents include an extension, a basement excavation, a porch and a loft conversion, meaningful when judging how the property has evolved. An application is currently awaiting a decision. At 374 m² it's 21.2% smaller than the typical home in the postcode (474 m² median across 9 EPCs). Last sale on file: £3,900,000 in May 2024.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms6
- Bathrooms4
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
9 Grange Avenue's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
Feb 2022
EPC Rating
A
B
C
D
D68
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
12.0 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 9 Grange Avenue, Barnet, London, N20 8AA, sourced from the PlanIt planning register.
There is a planning application currently awaiting a decision.
- Sept 2025OutbuildingOutlinePending
Erection of a swimming pool in the rear garden
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
9 Grange Avenue valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£4,765,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 14 years.
Last sold (2024)
£3,900,000
Growth on file: 2.7% per year over 14 years.
Sales timeline
Versus other Grange Avenue homes
Four headline reads against 9 similar houses on this street, drawn from the latest EPC and Land Registry data.
On price per m², 9 Grange Avenue stands well clear of the street.
Price per m²
£10,428
Street avg £6,147
Floor Area
374 m²
Street avg 424 m²
Habitable Rooms
12 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
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.
Road noise across the postcode
Modelled day and night-time noise levels around N20 8AA from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
44.8dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 54 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 9 Grange Avenue, Barnet, London, N20 8AA. Each answer is also embedded as structured data for search engines.