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Get started12 Castle Mews is a two-bedroom semi-detached house in Horndean, Waterlooville, Waterlooville (PO8 9AF). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 2007 onwards and council tax band C. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. The latest certificate (September 2022) shows a C (score 78), near the top of the C band. Earlier certificates rated it B (January 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 91).
Sale prices here have outpaced England HPI: 4% per year against 0% for the wider region. Today's modelled estimate of £303,000 is 21.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£332/sq ft) was about 25.9% above the typical sold price in the postcode. At 70 m² it's 28.6% smaller than the typical home in the postcode (98 m² median across 11 EPCs). Last sale on file: £250,000 in July 2019.
£303,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 7 years.
£250,000
Growth on file: 4.0% per year over 7 years.
On co₂ emissions, 12 Castle Mews stands well clear of the street.
Price per m²
£3,571
Street avg £3,328
Floor Area
70 m²
Street avg 95 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Napier Road — bus stop.

Daytime· 07:00 – 23:00
53.8dB

Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
31 July 2019Most recent
£250,000
+33.0%over 7 years11 May 2012
£188,000
Median price across the last 5 sales in PO8 9AF: £327,000 (2025–2024).
CO₂ Emissions
1.6 t/year
Street avg 2.7 t/year
PO8 9PQ
Closest school
0.1 km
Horndean Church of England Junior School. 9 schools nearby.
Night-time· 23:00 – 07:00
44.2dB
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