1 Chandos Avenue, Barnet, London, N20 9ED
About 1 Chandos Avenue
1 Chandos Avenue is a detached house in Barnet, London, London (N20 9ED). It has a recorded floor area of 586 m² (around 6308 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (November 2024) shows a C (score 75), near the top of the C band. Main heating runs on electricity.
Held since October 2003 — that's 23 years off the open market, well above the local norm. At 586 m² the property is well over the postcode median (234 m² across 11 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 1997–2003, sale prices on this property compounded at 13.2% per year. Today's modelled estimate of £2,731,000 sits 271.1% above the 2003 sale of £736,000. On a £-per-square-foot basis, the last sale (£117/sq ft) was about 70.2% below the postcode norm. 8 planning records sit against the property, 6 approved, 2 refused. Past consents include an extension, a basement excavation, partial demolition and a porch, meaningful when judging how the property has evolved.
Energy performance
1 Chandos Avenue ranks among the most efficient homes in the postcode for energy use.
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 no mains gas supply, we believe a Level 3 building survey should be considered.
From £2,095 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Mar 2024BasementFullIn report
Extension: Side and rear of property
Roof extension including partial hip to gable and 3no. rear dormer windows. Single storey side and rear extension. Single storey front extension. New first floor front bay window. Excavation of new basement (retrospective)
- Agent
- Kevin Todd Architectural Ltd
RetrospectiveExtension- Documents
- 15 docs on file
- Reference
- 24/0314/HSE
- Jan 2021ExtensionFullIn report
Extension: Side and rear of property
Single storey rear and side extension following demolition of existing conservatory, formation of basement level, single storey front extension following demolition of existing canopy. Roof extension, including, hip to gable, rear dormer window and raising of the ridge height
- Agent
- Kingswood Design Residential Ltd
- Documents
- 20 docs on file
- Reference
- 20/5168/HSE
We flagged 1 thing worth checking at 1 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
Sale price has at least doubled since 1997.
£2,731,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.2% per year over 6 years.
£736,000
Growth on file: 13.2% per year over 6 years.
Sales timeline
31 October 2003Most recent
£736,000
+47.2%over 4 years4 October 1999
£500,000
+47.1%over 2 years3 August 1997
£340,000
Median price across the last 5 sales in N20 9ED: £1,450,000 (2023–2013).
Nearby sales in N20 9ED
35 Chandos Avenue, Barnet, London, N20 9ED
Sold Jun 2023
£1,625,00023 Chandos Avenue, Barnet, London, N20 9ED
Sold May 2021
£2,000,00019 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
£1,450,000
Versus other Chandos Avenue homes
1 Chandos Avenue is notably below the street on price per m².
Price per m²
£1,256
Street avg £4,811
Floor Area
586 m²
Street avg 266 m²
Habitable Rooms
11 rooms
Street avg 9 rooms
CO₂ Emissions
11.0 t/year
Street avg 11.5 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
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







