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Get started25 Castleview Gardens is a one-bedroom semi-detached house in High Wycombe (HP12 3UD). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (December 2025) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2015. Between certificates, lighting went from Poor to Good. The recommended improvements would push it to C (score 78). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 51 m² this is the 17th smallest of 35 units on EPC record in the building, where floor areas span 41–56 m². The building's EPC ratings span E to B across 35 units on file.
Sale prices here have outpaced England HPI: 5.2% per year against 0% for the wider region. Today's modelled estimate of £175,000 is 15.9% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£275/sq ft) was about 22.6% above the typical sold price in the postcode. Sold September 2019 for £151,000.
25 Castleview Gardens's carbon output is low for the local stock.
Sale price has grown by over 3x since 1995.
£175,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.2% per year over 24 years.
£151,000
Growth on file: 5.2% per year over 24 years.
On co₂ emissions, 25 Castleview Gardens stands well clear of the street.
Price per m²
£2,961
Street avg £3,070
Floor Area
51 m²
Street avg 49 m²
Habitable Rooms
2 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
49.3dB

Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
25 September 2019Most recent
£151,000
+187.6%over 20 years17 December 1998
£52,500
+19.5%over 3 years28 April 1995
£43,950
Median price across the last 5 sales in HP12 3UD: £182,000 (2024–2021).
Street avg 3 rooms
CO₂ Emissions
0.9 t/year
Street avg 3.2 t/year
HP12 3UD
Whitelands Road — bus stop.
Closest school
0.4 km
Oakridge School. 17 schools nearby.
Night-time· 23:00 – 07:00
38.4dB
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