4b, Chatsworth Avenue, Portsmouth, PO6 2UQ
About 4b
4b is a two-bedroom semi-detached house in Portsmouth (PO6 2UQ). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (May 2013) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in April 2013 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Good; while window efficiency dropped from Average to Poor and lighting dropped from Good to Very Poor. The recommended improvements would push it to C (score 74). The latest certificate is from May 2013, so improvements made since then won't be reflected. Period features are noted in the property record.
Across 1997–2014, sale prices on this property compounded at 9.9% per year. Today's modelled estimate of £202,000 is 48% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£127/sq ft) was about 22.5% below the postcode norm. On the market in January 2014 and unlisted since — roughly 12 years.
What this property has
Inside
- Bedrooms2
Outside
- Private gardenYes
- GarageYes
Building
- Central heatingYes
- Period featuresYes
Everything you need to know about 4b
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
4b's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 May 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Low energy lighting percentage decreased
Ventilation system changed
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Level 2 HomeBuyer Report
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Planning history
4b has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
4b has more than quadrupled in price since its earliest registered sale in 1997.
£202,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.9% per year over 16 years.
£136,500
Growth on file: 9.9% per year over 16 years.
Sales timeline
17 January 2014Most recent
£136,500
+355.0%over 16 years23 December 1997
£30,000
Median price across the last 5 sales in PO6 2UQ: £322,500 (2024–2022).
Nearby sales in PO6 2UQ
28 Chatsworth Avenue, Portsmouth, PO6 2UQ
Sold Dec 2024
£322,5004a, Chatsworth Avenue, Portsmouth, PO6 2UQ
Sold Nov 2023
£195,00036 Chatsworth Avenue, Portsmouth, PO6 2UQ
Sold Jul 2023
£425,00032 Chatsworth Avenue, Portsmouth, PO6 2UQ
Sold Jan 2023
£290,00042 Chatsworth Avenue, Portsmouth, PO6 2UQ
Sold Sept 2022
£338,500
Versus other Chatsworth Avenue homes
4b outperforms the street on floor area by a wide margin.
Price per m²
£1,365
Street avg £1,771
Floor Area
100 m²
Street avg 61 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.9 t/year
Street avg 2.2 t/year
Everything you need to know about 4b
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Highbury Buildings — bus stop.
Closest school
0.4 km
Highbury Primary School. 26 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
58.5dB

Night-time· 23:00 – 07:00
49.0dB






