Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started21 Beresford Avenue is a four-bedroom semi-detached house in Aylesbury (HP19 9RU). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (August 2015) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from August 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 8.8% per year against 0% for the wider region. Today's modelled estimate of £408,000 is 23.6% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£269/sq ft) was about 31.1% above the typical sold price in the postcode. At 114 m² the property is well over the postcode median (76 m² across 26 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. On the market in December 2015 and unlisted since — roughly 10 years.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 24 Aug 2025
21 Beresford Avenue has 2 separate extension applications on the council record.
Extension: Single storey · Side of property
Single storey side extension to link garage to dwelling
Latest sale on 21 Beresford Avenue was the highest on Land Registry record across the postcode.
£408,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 15 years.
£330,000
Growth on file: 8.8% per year over 15 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
21 Beresford Avenue outperforms the street on habitable rooms by a wide margin.
Price per m²
£2,895
Street avg £2,894
Floor Area
114 m²
Street avg 83 m²
Habitable Rooms
7 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Coventon Road — bus stop.

Daytime· 07:00 – 23:00
52.2dB

Launch offer
Secure checkout · One-off payment

Extension: Side of property
Two storey and single storey side extension
16 December 2015Most recent
£330,000
+255.0%over 14 years5 January 2001
£92,950
Median price across the last 5 sales in HP19 9RU: £290,000 (2025–2021).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.8 t/year
HP19 9SD
Closest school
0.5 km
Haydon Abbey School and Pre-School. 24 schools nearby.
Night-time· 23:00 – 07:00
42.9dB