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Get started11 Blue Haze Avenue is a three-bedroom end-of-terrace house in Seaford (BN25 3QJ). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (April 2021) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 85), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 2.5% per year against 0% for the wider region. Today's modelled estimate of £368,000 is 19.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£295/sq ft) was about 39.2% above the typical sold price in the postcode. Sold August 2021 for £307,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£368,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 15 years.
£307,500
Growth on file: 2.5% per year over 15 years.
On years held, 11 Blue Haze Avenue runs well behind the street norm.
Price per m²
£3,170
Street avg £2,796
Floor Area
97 m²
Street avg 95 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Blue Haze Avenue — bus stop.

Daytime· 07:00 – 23:00
50.2dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
25 August 2021Most recent
£307,500
+56.9%over 11 years30 November 2009
£196,000
-8.8%over 2 years10 January 2007
£215,000
Median price across the last 5 sales in BN25 3QJ: £321,500 (2024–2020).
CO₂ Emissions
3.5 t/year
Street avg 3.4 t/year
BN25 3LP
Closest school
0.3 km
Chyngton School. 5 schools nearby.
Night-time· 23:00 – 07:00
39.2dB
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