4 Chartness, Warmdene Road, Brighton, BN1 8NY
About 4 Chartness
4 Chartness is a one-bedroom end-of-terrace house in Brighton (BN1 8NY). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1950-1966 and council tax band A. At 40 m² this is the largest unit on EPC record across the building (27–40 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (75 versus a worst of 61). The latest certificate (December 2024) shows a C (score 75), near the top of the C band. When first surveyed in April 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Good and lighting went from Poor to Very Good.
Across 2004–2016, sale prices on this property compounded at 4.1% per year. On a £-per-square-foot basis, the last sale (£432/sq ft) was about 37.3% above the typical sold price in the postcode. 10 years since the last transfer (July 2016). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.
What this property has
Inside
- Bedrooms1
Building
- Central heatingYes
Everything you need to know about 4 Chartness
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
4 Chartness's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
4 Chartness has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
4 Chartness valuation sits well clear of the typical sold price in this postcode.
£199,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 12 years.
£186,000
Growth on file: 4.1% per year over 12 years.
Sales timeline
11 July 2016Most recent
£186,000
+61.7%over 11 years9 September 2004
£115,000
Median price across the last 4 sales in BN1 8NY: £128,725 (2019–2006).
Nearby sales in BN1 8NY
Versus other Warmdene Road homes
EPC Rating for 4 Chartness runs comfortably ahead of the street norm.
EPC Rating
75 (C)
Street avg 68 (D)
Floor Area
40 m²
Street avg 34 m²
CO₂ Emissions
1.4 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 4 Chartness
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
21/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
High School — bus stop.
Closest school
0.1 km
Patcham High School. 20 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.5dB

Night-time· 23:00 – 07:00
39.6dB






