Model valuation£417,0008 Busby Close
Local market context
13 First Avenue is a three-bedroom semi-detached house in Cosham, Portsmouth, Portsmouth (PO6 3JH). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (April 2015) shows a C (score 69), just inside the C band. When first surveyed in July 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good and lighting went from Very Poor to Poor. The recommended improvements would push it to B (score 84). The latest certificate is from April 2015, so improvements made since then won't be reflected.
Across 2001–2015, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £291,000 sits 51.2% above the 2015 sale of £192,500. On a £-per-square-foot basis, the last sale (£229/sq ft) was about 38.2% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). On the market in June 2015 and unlisted since — roughly 11 years.
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13 First Avenue's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 23 Apr 2025
Certificate validity
Expired on 23 April 2025
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Cavity wall insulation installed
More low energy lighting installed
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13 First Avenue has no planning applications on record.
But the area is active
13 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
13 First Avenue has more than doubled in price since the earliest registered sale in 2001.
£291,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 14 years.
£192,500
Growth on file: 5.7% per year over 14 years.
21 June 2015Most recent
£192,500
+18.1%over 3 years31 May 2012
£163,000
+81.1%over 10 years25 October 2001
£90,000
Median price across the last 5 sales in PO6 3JH: £300,000 (2026–2018).
22 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Feb 2026
20 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Nov 2022
7 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Jul 2022
2 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Dec 2020
9 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Sept 2018
On habitable rooms, 13 First Avenue runs well behind the street norm.
Price per m²
£2,468
Street avg £2,424
Floor Area
78 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.2 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
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PO6 3PG
Rail-style transport is unusually close for this postcode.
Crime
260/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
First Avenue — bus stop.
Closest school
0.3 km
Portsdown Primary School. 22 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

Daytime· 07:00 – 23:00
55.4dB

Night-time· 23:00 – 07:00
45.9dB