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Get started20 Alfriston Park is a two-bedroom detached house in Seaford (BN25 3LS). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (March 2024) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump. Other recorded features include a loft. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 4% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£420/sq ft) was about 47.4% above the typical sold price in the postcode. A recent sale: £375,000 in December 2024.
Recommended upgrades on file would lift this property by multiple EPC bands.
20 Alfriston Park has more than doubled in price since the earliest registered sale in 2001.
£389,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 24 years.
£375,000
Growth on file: 4.0% per year over 24 years.
20 Alfriston Park outperforms the street on co₂ emissions by a wide margin.
Price per m²
£4,518
Street avg £3,464
Floor Area
83 m²
Street avg 103 m²
Habitable Rooms
4 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
44.6dB

4 December 2024Most recent
£375,000
+150.1%over 23 years20 April 2001
£149,950
Median price across the last 5 sales in BN25 3LS: £445,000 (2025–2021).
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.3 t/year
BN25 3LP
Hastings Avenue — bus stop.
Closest school
0.6 km
Chyngton School. 5 schools nearby.
Night-time· 23:00 – 07:00
36.4dB
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