9a, Buckingham Avenue, Barnet, London, N20 9BU
About 9a
9a is a four-bedroom detached house in Barnet, London, London (N20 9BU). It has a recorded floor area of 193 m² (around 2077 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (July 2023) shows a C (score 69), just inside the C band. When first surveyed in August 2011 the rating was E, the property has climbed 2 bands since. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a balcony.
On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£732/sq ft) was about 100.3% above the typical sold price in the postcode. Sold April 2024 for £1,520,000.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenSouth-facing
- GarageYes
- BalconyYes
Building
- Underfloor heatingYes
Energy performance
9a 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
More low energy lighting installed
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Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Aug 2021DemolitionFullIn report
Extension: Side and rear of property
Single side and rear extension following demolition of the existing garage (Amended description)
- Agent
- Smart Skills Ltd
Extension- Documents
- 16 docs on file
- Reference
- 21/4145/HSE
- Apr 2016Loft ConversionOutlineIn report
Roof extension involving hip to gable, rear dormer window with 1no rooflights to front elevation to facilitate a loft conversion
- Agent
- Alan Cox Associates
- Documents
- 6 docs on file
- Reference
- 16/1549/192
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
30-day money-back guarantee
Sales history & valuation
Latest sale on 9a was the highest on Land Registry record across the postcode.
£1,587,000
Modelled from EPC, postcode comparables.
£1,520,000
Recorded with HM Land Registry.
Sales timeline
1 April 2024Most recent
£1,520,000
Median price across the last 5 sales in N20 9BU: £1,000,000 (2022–2006).
Nearby sales in N20 9BU
9 Buckingham Avenue, Barnet, London, N20 9BU
Sold Nov 2022
£1,170,00017 Buckingham Avenue, Barnet, London, N20 9BU
Sold Aug 2015
£1,280,0001 Buckingham Avenue, Barnet, London, N20 9BU
Sold Feb 2015
£950,00019 Buckingham Avenue, Barnet, London, N20 9BU
Sold Jul 2013
£1,000,00015 Buckingham Avenue, Barnet, London, N20 9BU
Sold Aug 2006
£684,000
Versus other Buckingham Avenue homes
On price per m², 9a stands well clear of the street.
Price per m²
£7,876
Street avg £4,549
Floor Area
193 m²
Street avg 209 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
6.1 t/year
Street avg 10.8 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Buckingham Avenue (N20) — bus stop.
Closest school
0.9 km
All Saints' CofE Nursery and Primary School N20. 42 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
49.9dB

Night-time· 23:00 – 07:00
40.8dB







