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Get started20 Chalfont Court, Colindeep Lane, Barnet, London, NW9 6DY
About 20 Chalfont Court
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
20 Chalfont Court is an end-of-terrace house in Barnet, London, London (NW9 6DY). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (February 2026) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in July 2024 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 74). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 56 m² this is the 10th smallest of 20 units on EPC record in the building, where floor areas span 42–82 m². The building's EPC ratings span E to C across 20 units on file.
Sale prices here have outpaced London HPI: 7.2% per year against 0% for the wider region. Today's modelled estimate of £297,000 sits 185.6% above the 2024 sale of £104,000. On a £-per-square-foot basis, the last sale (£173/sq ft) was about 28.4% below the postcode norm. It changed hands recently, sold November 2024 for £104,000.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
20 Chalfont Court's carbon output is low for the local stock.
Current Certificate(1 of 4)
Feb 2026
EPC Rating
A
B
C
D
D63
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Average
Windows
Poor
CO2 Emissions
1.0 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
20 Chalfont Court's estimated value is more than triple its earliest registered sale price (2024).
Current estimate
See how we calculated this£297,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 1 year.
Last sold (2024)
£104,000
Growth on file: 7.2% per year over 1 year.
Sales timeline
Versus other Colindeep Lane homes
Four headline reads against 19 similar flats on this street, drawn from the latest EPC and Land Registry data.
On years held, 20 Chalfont Court runs well behind the street norm.
Price per m²
£1,857
Street avg £3,869
Floor Area
56 m²
Street avg 58 m²
Habitable Rooms
3 rooms
Street avg 3 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.
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Clovelly Avenue — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around NW9 6DY from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
55.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 78 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 20 Chalfont Court, Colindeep Lane, Barnet, London, NW9 6DY. Each answer is also embedded as structured data for search engines.