23 Chandos Avenue, Barnet, London, N20 9ED
About 23 Chandos Avenue
23 Chandos Avenue is a detached house in Barnet, London, London (N20 9ED). It has a recorded floor area of 406 m² (around 4370 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (June 2016) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 71), a 2-band jump. The latest certificate is from June 2016, so improvements made since then won't be reflected.
At 406 m² the property is well over the postcode median (234 m² across 11 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2006–2021, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £2,560,000 is 28% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£458/sq ft) was about 46% above the typical sold price in the postcode. Sold May 2021 for £2,000,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
23 Chandos 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This certificate is over 10 years old and is no longer valid.Expired 15 Jun 2026
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.
From £2,095 · Includes VAT
Planning history
23 Chandos Avenue has 2 separate extension applications on the council record.
- Dec 2006ExtensionFullIn report
Extension: Part single, part two storey
Single storey front extension. Part single, part two-storey rear extension.
- Documents
- 6 docs on file
- Reference
- N04668D/06
- Sept 2006ExtensionFullIn report
Extension: Part single, part two storey
Single storey front extension. Part single, part two-storey rear extension.
- Documents
- 4 docs on file
- Reference
- N04668C/06
We flagged 1 thing worth checking at 23 Chandos Avenue
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 23 Chandos Avenue was the highest on Land Registry record across the postcode.
£2,560,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 15 years.
£2,000,000
Growth on file: 4.6% per year over 15 years.
Sales timeline
4 May 2021Most recent
£2,000,000
+95.1%over 14 years13 July 2006
£1,025,000
Median price across the last 5 sales in N20 9ED: £1,225,000 (2023–2013).
Nearby sales in N20 9ED
35 Chandos Avenue, Barnet, London, N20 9ED
Sold Jun 2023
£1,625,00019 Chandos Avenue, Barnet, London, N20 9ED
Sold Dec 2020
£1,144,50011 Chandos Avenue, Barnet, London, N20 9ED
Sold Oct 2018
£1,225,00021 Chandos Avenue, Barnet, London, N20 9ED
Sold Sept 2013
£1,450,00041 Chandos Avenue, Barnet, London, N20 9ED
Sold Mar 2008
£1,172,000
Versus other Chandos Avenue homes
CO₂ Emissions for 23 Chandos Avenue lags the street by a wide margin.
Price per m²
£4,926
Street avg £4,352
Floor Area
406 m²
Street avg 282 m²
Habitable Rooms
10 rooms
Street avg 9 rooms
CO₂ Emissions
17.0 t/year
Street avg 11.0 t/year
Similar properties nearby
1 Chandos Avenue, Barnet
N20 9ED
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1 Harrison Close, Barnet
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10 Athenaeum Road, Barnet
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1 Buckingham Avenue, Barnet
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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
Chandos Avenue — bus stop.
Closest school
0.7 km
All Saints' CofE Nursery and Primary School N20. 47 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
51.7dB

Night-time· 23:00 – 07:00
42.8dB







