Our Data Sources
Upper Maisonette 20, Portsmouth has 21 entries in the Land Registry , most recently in November 2022 and a single entry in the EPC database dated August 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For Upper Maisonette 20, Portsmouth, we estimate a market value of £189,697 and a rental value of £1,297 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £168,017 and £1,148 per month respectively.
Energy Efficiency
Upper Maisonette 20, Portsmouth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Aug 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of Upper Maisonette 20, Portsmouth completed on 28th November 2022 at £200,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 21.9% over the period since November 2022.
- Sold Nov 2022£200,000
- Sold Jun 2006£150,000
Similar Properties Sold Nearby
Over the past 2 years 111 properties similar to Upper Maisonette 20, Portsmouth have sold within a radius of 390 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 25th February 2026, was Flat 20, Pound House, St. James's Street, Portsmouth, PO1 3FF, a leasehold flat which sold for £175,000.
Read more about house prices in PO1.
- Sold Feb 2026£175,000 | 2 Bed FlatFlat 20, Pound House, St. James's Street, Portsmouth, PO1 3FFFlat 20, Pound House, St. James's Street, Portsmouth, PO1 3FF
- Sold Mar 2025£205,000 | 2 Bed FlatFlat 7, Lion House, Lion Terrace, Portsmouth, PO1 3ABFlat 7, Lion House, Lion Terrace, Portsmouth, PO1 3AB
- Sold Oct 2024£165,000 | 2 Bed FlatFlat 6, Lion House, Lion Terrace, Portsmouth, PO1 3ABFlat 6, Lion House, Lion Terrace, Portsmouth, PO1 3AB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 560 addresses on Queen Street, Portsmouth, PO1, Upper Maisonette 20, Portsmouth comes out as the 267th largest and the 193rd most expensive in our analysis of the public data.
It is also £46k less expensive than the average property across the PO1 district.
More reading links
Schools Nearby
- St George's Beneficial Church of England (Voluntary Controlled) Primary School400 m away
- St Jude's CofE Primary School1.0 km away
- St John's Cathedral Catholic Primary School1.1 km away
- Ark Charter Academy800 m away
- St Edmund's Catholic School900 m away
- Priory School1.6 km away
More reading links
Public Transport Nearby
- Portsmouth & Southsea|500 m away
- Portsmouth Harbour|700 m away
- Southsea Hoverport|1.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












