21a, Kingston Lane, Southwick, Brighton, BN42 4SJ
About 21a
21a is a three-bedroom semi-detached house in Southwick, Brighton, Brighton (BN42 4SJ). It has a recorded floor area of 106 m² (around 1141 sq ft) and construction records dating it to 2012 onwards. The latest certificate (May 2025) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (May 2015); the latest reading is one band lower. The recommended improvements would push it to B (score 90).
Today's modelled estimate of £401,000 sits 70.2% above the 2015 sale of £235,636. On a £-per-square-foot basis, the last sale (£207/sq ft) was about 23.2% below the postcode norm. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). On the market in December 2015 and unlisted since — roughly 10 years.
What this property has
Inside
- Bedrooms3
Outside
- Private gardenYes
- ParkingYes
Building
- Central heatingYes
Energy performance
EPC Rating
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Planning history
21a has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£401,000
Modelled from EPC, postcode comparables.
£235,636
Recorded with HM Land Registry.
Sales timeline
17 December 2015Most recent
£235,636
Median price across the last 5 sales in BN42 4SJ: £475,000 (2021–2017).
Nearby sales in BN42 4SJ
39 Kingston Lane, Southwick, Brighton, BN42 4SJ
Sold Jan 2021
£505,00043 Kingston Lane, Southwick, Brighton, BN42 4SJ
Sold Oct 2019
£458,00025 Kingston Lane, Southwick, Brighton, BN42 4SJ
Sold Mar 2019
£475,00017 Kingston Lane, Southwick, Brighton, BN42 4SJ
Sold Feb 2019
£572,50049 Kingston Lane, Southwick, Brighton, BN42 4SJ
Sold Jul 2016
£400,000
Versus other Kingston Lane homes
21a outperforms the street on epc rating by a wide margin.
Price per m²
£2,223
Street avg £3,587
Floor Area
106 m²
Street avg 121 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.1 t/year
Street avg 5.0 t/year
Similar properties nearby
1 Green Close, Southwick
BN42 4GR
1 Farm Way, Southwick
BN42 4NU
1 Hill Farm Way, Southwick
BN42 4YJ
1 Hill Farm Cottages, Upper Kingston Lane, Southwick
BN42 4YN
1 Albert Road, Southwick
BN42 4GE
1 Cardigan Villas, Southwick
BN42 4GG
1 Amelia Close, Southwick
BN42 4AJ
1 Downland Close, Southwick
BN42 4RH
The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cross Road — bus stop.
Closest school
0.3 km
Shoreham Academy. 16 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
52.9dB

Night-time· 23:00 – 07:00
43.0dB







