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Get started11 Castle Mews is a semi-detached house in Horndean, Waterlooville, Waterlooville (PO8 9AF). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 2007 onwards and council tax band C. The latest certificate (September 2020) shows a C (score 77), near the top of the C band. Earlier certificates rated it B (February 2010); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 90).
Sale prices here have outpaced England HPI: 4.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£364/sq ft) was about 41.4% above the typical sold price in the postcode. At 69 m² it's 29.6% smaller than the typical home in the postcode (98 m² median across 11 EPCs). Last sale on file: £270,000 in February 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
11 Castle Mews saw 3 transfers in just over a decade — high turnover for the postcode.
£296,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 9 years.
£270,000
Growth on file: 4.5% per year over 9 years.
On price per m², 11 Castle Mews stands well clear of the street.
Price per m²
£3,913
Street avg £3,297
Floor Area
69 m²
Street avg 95 m²
Habitable Rooms
3 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
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
26 February 2021Most recent
£270,000
+12.5%over 4 years30 March 2016
£240,000
+29.7%over 3 years6 August 2012
£185,000
Median price across the last 5 sales in PO8 9AF: £327,000 (2025–2024).
Street avg 4 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.6 t/year
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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