23 Shelldale Avenue, Portslade, Brighton, BN41 1LH
About 23 Shelldale Avenue
23 Shelldale Avenue is a three-bedroom semi-detached house in Portslade, Brighton, Brighton (BN41 1LH). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (May 2020) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since August 2009. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84). The home occupies a cul-de-sac position.
Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). Across 2008–2017, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £349,000 is 29.3% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£353/sq ft) was about 73.5% above the typical sold price in the postcode. On the market in July 2017 and unlisted since — roughly 9 years.
Know exactly what you're buying at 23 Shelldale Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
Outside
- Private gardenRear
- ParkingOff street
- Cul-de-sacYes
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
23 Shelldale Avenue has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 2 things worth checking at 23 Shelldale 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.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
23 Shelldale Avenue valuation sits well clear of the typical sold price in this postcode.
£349,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 9 years.
£270,000
Growth on file: 5.6% per year over 9 years.
Sales timeline
31 July 2017Most recent
£270,000
+60.7%over 8 years31 October 2008
£168,000
Median price across the last 5 sales in BN41 1LH: £358,000 (2025–2022).
Nearby sales in BN41 1LH
13 Shelldale Avenue, Portslade, Brighton, BN41 1LH
Sold Jan 2025
£400,25028 Shelldale Avenue, Portslade, Brighton, BN41 1LH
Sold Nov 2024
£305,00011 Shelldale Avenue, Portslade, Brighton, BN41 1LH
Sold Nov 2023
£350,00021 Shelldale Avenue, Portslade, Brighton, BN41 1LH
Sold Oct 2023
£358,00018 Shelldale Avenue, Portslade, Brighton, BN41 1LH
Sold Jun 2022
£471,500
Everything we know about 23 Shelldale Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Shelldale Avenue homes
On co₂ emissions, 23 Shelldale Avenue stands well clear of the street.
Price per m²
£3,803
Street avg £2,926
Floor Area
71 m²
Street avg 80 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.4 t/year
Similar properties nearby
1 Bampfield Street, Portslade
BN41 1SE
1 Hurst Crescent, Portslade
BN41 1SG
1 Elm Road, Portslade
BN41 1SA
1 Links Road, Portslade
BN41 1XH
1 Barnes Road, Portslade
BN41 1SY
1 Albion Street, Portslade
BN41 1DQ
1 Park Crescent, Portslade
BN41 1SR
1 Garden Close, Portslade
BN41 1XL
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Shelldale Road — bus stop.
Closest school
0.4 km
St Mary's Catholic Primary School. 21 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
54.1dB

Night-time· 23:00 – 07:00
44.9dB