Model valuation£417,0008 Busby Close
Local market context
12 Summerdown Lane is a three-bedroom detached house in East Dean, Eastbourne, Eastbourne (BN20 0LF). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (April 2026) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2012. Between certificates, roof efficiency went from Good to Very Good and lighting went from Very Poor to Poor; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. This certificate was lodged in the last six months, so the rating reflects current condition.
Across 2008–2013, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £717,000 sits 68.7% above the 2013 sale of £425,000. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved. At 129 m² it's 26.5% larger than the typical home in the postcode (102 m² median across 10 EPCs). Last sold in February 2013, so it's been off the market for around 14 years.
Recommended upgrades on file would lift this property by multiple EPC bands.
Certificate validity
Valid until 14 April 2036
Changes detected from historical EPC data
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
More low energy lighting installed
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2 applications on record at 12 Summerdown Lane, East Dean, Eastbourne, BN20 0LF
CONVERSION OF GARAGE AND GARAGE ROOF SPACE WITH THE INSERTION OF 2 ROOF WINDOWS TO THIS ROOF SPACE AND INTERNAL ALTERATIONS. INSERTION OF WINDOWS AND DOORS TO ELEVATIONS AND TILE HANGING TO FRONT AND REAR ELEVATIONS
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12 Summerdown Lane valuation sits well clear of the typical sold price in this postcode.
£717,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 5 years.
£425,000
Growth on file: 4.5% per year over 5 years.
1 February 2013Most recent
£425,000
+23.2%over 4 years21 May 2008
£345,000
Median price across the last 5 sales in BN20 0LF: £537,500 (2026–2017).
11 Summerdown Lane, East Dean, Eastbourne, BN20 0LF
Sold Jan 2026
22 Summerdown Lane, East Dean, Eastbourne, BN20 0LF
Sold Jan 2025
9 Summerdown Lane, East Dean, Eastbourne, BN20 0LF
Sold Nov 2020
1 Summerdown Lane, East Dean, Eastbourne, BN20 0LF
Sold May 2017
5 Summerdown Lane, East Dean, Eastbourne, BN20 0LF
Sold Mar 2014
12 Summerdown Lane is notably below the street on price per m².
Price per m²
£3,295
Street avg £4,448
Floor Area
129 m²
Street avg 115 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 5.1 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchBN20 0JS
BN20 0LF
BN20 0DQ
BN20 0DD
BN20 0EH
BN20 0BB
BN20 0JF
BN20 0EF
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
98/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Dene Side — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

Daytime· 07:00 – 23:00
47.4dB

Night-time· 23:00 – 07:00
39.8dB