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Get started23 Knowle Avenue is a four-bedroom detached house in Knowle, Fareham, Fareham (PO17 5LG). It has a recorded floor area of 166 m² (around 1787 sq ft), construction records dating it to 1996-2002 and council tax band F. Tenure is freehold. The latest certificate (December 2022) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since June 2009. Between certificates, lighting went from Average to Very Good.
Sale prices here have outpaced Fareham HPI: 3.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£350/sq ft) was about 61.6% above the typical sold price in the postcode. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. Sold March 2023 for £625,000.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Loft conversion with roof lights
23 Knowle Avenue valuation sits well clear of the typical sold price in this postcode.
£605,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 20 years.
£625,000
Growth on file: 3.5% per year over 20 years.
23 Knowle Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£3,765
Street avg £2,875
Floor Area
166 m²
Street avg 151 m²
Habitable Rooms
7 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
0.2 km

Daytime· 07:00 – 23:00
45.2dB

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.
Loft Conversion with Rear Dormer and jullette Window
1 more application for this property
Join to see all planning history.
15 March 2023Most recent
£625,000
+86.6%over 13 years11 December 2009
£335,000
+4.7%over 6 years30 June 2003
£320,000
Median price across the last 5 sales in PO17 5LG: £310,000 (2025–2022).
Street avg 7 rooms
CO₂ Emissions
4.9 t/year
Street avg 4.0 t/year
PO17 5LW
Knowle Shops — bus stop.
Closest school
1.8 km
Orchard Lea Junior School. 6 schools nearby.
Night-time· 23:00 – 07:00
36.3dB
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