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Get started12 Castle Avenue is a three-bedroom semi-detached house in Highcliffe, Christchurch, Christchurch (BH23 4LL). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (May 2014) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2011. Between certificates, window efficiency went from Poor to Good and lighting went from Average to Good; while roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from May 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 1.9% per year against 0% for the wider region. Today's modelled estimate of £454,000 sits 83.4% above the 2011 sale of £247,500. On a £-per-square-foot basis, the last sale (£181/sq ft) was about 27.9% below the postcode norm. At 127 m² the property is well over the postcode median (88 m² across 20 EPCs), placing it in the larger end of the local stock. Last changed hands 15 years ago, in October 2011. One historical planning record sits against the property in 2022.
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This certificate is over 10 years old and is no longer valid.Expired 13 May 2024
T1,T2 & T3 - Holm Oaks - Approximately 16m to be reduced in height by up to 3.5m and reduce lateral limbs over garden on T1 by up to 2m and 3m on T2/T3 back to substantial secondary growth.
12 Castle Avenue valuation sits well clear of the typical sold price in this postcode.
£454,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 3 years.
£247,500
Growth on file: 1.9% per year over 3 years.
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On floor area, 12 Castle Avenue stands well clear of the street.
Price per m²
£1,949
Street avg £3,430
Floor Area
127 m²
Street avg 96 m²
Habitable Rooms
6 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
0.1 km

Daytime· 07:00 – 23:00
48.9dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
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10 October 2011Most recent
£247,500
+5.3%over 2 years5 January 2009
£235,000
Median price across the last 5 sales in BH23 4LL: £420,000 (2024–2017).
27a Castle Avenue Highcliffe Christchurch
Sold Dec 2024
23 Castle Avenue Highcliffe Christchurch
Sold Oct 2024
24 Castle Avenue Highcliffe Christchurch
Sold Nov 2021
8 Castle Avenue Highcliffe Christchurch
Sold Aug 2019
27 Castle Avenue Highcliffe Christchurch
Sold Oct 2017
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Detailed EPC data
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Full planning history
Every application and decision on record
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Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 3.6 t/year
BH23 4JL
Hinton Wood Avenue — bus stop.
Closest school
0.7 km
Highcliffe St Mark Primary School. 4 schools nearby.
Night-time· 23:00 – 07:00
39.4dB