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Get started9 Chalvington Close is a two-bedroom detached house in Seaford (BN25 3QF). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (March 2020) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 5.3% per year against 0% for the wider region. Today's modelled estimate of £479,000 is 16% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£446/sq ft) was about 65.2% above the typical sold price in the postcode. Last sale on file: £413,000 in January 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2021.
Recommended upgrades on file would lift this property by multiple EPC bands.
T1 - Leyland Cypress - fell - dying. T2 - Ash - fell - infected with Ash Dieback. T3 - Ash - fell - infected with Ash Dieback. T4 - Ash - fell - infected with Ash Dieback. T6 - Elm - remove major deadwood and crown thin by 20% - to allow wind sail through crown.
9 Chalvington Close has more than tripled in price since its earliest registered sale in 1997.
£479,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 24 years.
£413,000
Growth on file: 5.3% per year over 24 years.
CO₂ Emissions for 9 Chalvington Close runs comfortably ahead of the street norm.
Price per m²
£4,802
Street avg £4,702
Floor Area
86 m²
Street avg 92 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
0.2 km

Daytime· 07:00 – 23:00
45.6dB

15 January 2021Most recent
£413,000
+203.7%over 22 years10 November 1998
£136,000
+13.3%over 1 year24 March 1997
£120,000
Median price across the last 5 sales in BN25 3QF: £480,000 (2024–2020).
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.6 t/year
BN25 3AX
Sovereign Close — bus stop.
Closest school
0.3 km
Cradle Hill Community Primary School. 5 schools nearby.
Night-time· 23:00 – 07:00
36.9dB
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