Model valuation£417,0008 Busby Close
Local market context
87a is a mid-terrace house in Cosham, Portsmouth, Portsmouth (PO6 3AZ). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1900-1929. At 55 m² this is the 4th smallest of 14 units on EPC record in the building, where floor areas span 49–84 m². The building's EPC ratings span E to C across 14 units on file. The latest certificate (July 2019) shows a D (score 55), a step below the typical UK home.
Across 2011–2019, sale prices on this property compounded at 10.8% per year. Today's modelled estimate of £137,000 is 36.9% below the 2019 sale of £217,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£367/sq ft) was about 105.2% above the typical sold price in the postcode. Sold September 2019 for £217,000.
Certificate validity
Valid until 14 July 2029
Get a survey for this property
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
87a 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.
87a has more than doubled in price since the earliest registered sale in 2011.
£137,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.8% per year over 8 years.
£217,000
Growth on file: 10.8% per year over 8 years.
10 September 2019Most recent
£217,000
+122.6%over 7 years28 November 2011
£97,500
Median price across the last 5 sales in PO6 3AZ: £120,000 (2025–2019).
75 High Street, Cosham, Portsmouth, PO6 3AZ
Sold Apr 2025
85a, High Street, Cosham, Portsmouth, PO6 3AZ
Sold Oct 2023
91a, High Street, Cosham, Portsmouth, PO6 3AZ
Sold Apr 2022
101b, High Street, Cosham, Portsmouth, PO6 3AZ
Sold Sept 2021
87 High Street, Cosham, Portsmouth, PO6 3AZ
Sold Sept 2019
On price per m², 87a stands well clear of the street.
Price per m²
£3,945
Street avg £2,218
Floor Area
55 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.5 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.
Start your researchRail-style transport is unusually close for this postcode.
Crime
260/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
High Street — bus stop.
Closest school
0.5 km
Court Lane Infant Academy. 25 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

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Night-time· 23:00 – 07:00
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