Model valuation£417,0008 Busby Close
Local market context
101b is a detached house in Cosham, Portsmouth, Portsmouth (PO6 3AZ). It has a recorded floor area of 81 m² (around 872 sq ft) and construction records dating it to 1930-1949. The latest certificate (December 2024) shows a D (score 58), a step below the typical UK home. When first surveyed in May 2021 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good and main heating went from Very Poor to Average; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 71). Main heating runs on electricity. At 81 m² this is the 12th 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.
Today's modelled estimate of £187,000 is 16.9% below the 2021 sale of £225,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£258/sq ft) was about 44.6% above the typical sold price in the postcode. At 81 m² the property is well over the postcode median (55 m² across 13 EPCs), placing it in the larger end of the local stock. Sold September 2021 for £225,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Certificate validity
Valid until 21 December 2034
Changes detected from historical EPC data
Cavity wall insulation installed
Heating system changed
Hot water system changed
Window efficiency improved
Roof insulation improved
Get a survey for this property
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
101b 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.
Latest sale on 101b was the highest on Land Registry record across the postcode.
£187,000
Modelled from EPC, postcode comparables.
£225,000
Recorded with HM Land Registry.
16 September 2021Most recent
£225,000
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
87 High Street, Cosham, Portsmouth, PO6 3AZ
Sold Sept 2019
87a, High Street, Cosham, Portsmouth, PO6 3AZ
Sold Sept 2019
On floor area, 101b stands well clear of the street.
Price per m²
£2,778
Street avg £2,364
Floor Area
81 m²
Street avg 60 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
4.8 t/year
Street avg 3.1 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.
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