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Get started11 Deeside Avenue is a three-bedroom semi-detached house in Chichester (PO19 3QF). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2017) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 77). Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced Chichester HPI: 7.6% per year against 0% for the wider region. Today's modelled estimate of £362,000 is 24.8% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£364/sq ft) was about 32.1% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Sold July 2018 for £290,000.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Single storey · Rear of property
Single storey extension to the rear (a) rear extension - 5.0m (b) maximum height - 3.3m (c) height of eaves - 2.3m.
Price for 11 Deeside Avenue has grown more than fourfold since the 1996 starting point.
£362,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 22 years.
£290,000
Growth on file: 7.6% per year over 22 years.
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Detailed AI analysis
Price per m²
£3,919
Street avg £3,636
Floor Area
74 m²
Street avg 92 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Deeside Avenue — bus stop.

Daytime· 07:00 – 23:00
54.3dB

Extension: Side and rear of property
Single storey side and rear extensions and rear loft conversion.
3 July 2018Most recent
£290,000
+191.5%over 19 years26 February 1999
£99,500
+65.8%over 2 years10 December 1996
£60,000
Median price across the last 5 sales in PO19 3QF: £335,000 (2025–2023).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
3.0 t/year
Street avg 3.7 t/year
PO19 3HT
Closest school
0.2 km
Fishbourne CofE Primary School. 10 schools nearby.
Night-time· 23:00 – 07:00
45.6dB