The Mansion House, Flat 2, 5 Royal William Road, Plymouth, PL1 3RQ
About The Mansion House
The Mansion House is a detached house in Plymouth (PL1 3RQ). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (June 2020) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2008. Between certificates, lighting went from Very Poor to Poor; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 73). At 71 m² this is the 2nd smallest of 5 units on EPC record in The Mansion House, where floor areas span 63–81 m². The building's EPC ratings span E to C across 5 units on file.
Untraded for 28 years, with the last transfer in July 1998. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £229,000 sits 166.3% above the 1998 sale of £86,000.
Everything you need to know about The Mansion House
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
The Mansion House has no planning applications on record.
But the area is active
17 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The Mansion House has been held in the same hands since before 2000.
£229,000
Modelled from EPC, postcode comparables.
£86,000
Recorded with HM Land Registry.
Sales timeline
15 July 1998Most recent
£86,000
Median price across the last 5 sales in PL1 3RQ: £242,500 (2025–2006).
Nearby sales in PL1 3RQ
The Mansion House, Flat 6, 5 Royal William Road, Plymouth, PL1 3RQ
Sold Jul 2025
£225,000The Mansion House, Flat 4, 5 Royal William Road, Plymouth, PL1 3RQ
Sold May 2017
£242,500The Mansion House, Flat 1, 5 Royal William Road, Plymouth, PL1 3RQ
Sold Oct 2010
£243,0001 Royal William Road, Plymouth, PL1 3RQ
Sold Jul 2006
£295,000The Mansion House, Flat 3, 5 Royal William Road, Plymouth, PL1 3RQ
Sold May 2002
£163,450
Versus other Royal William Road homes
Price per m² for The Mansion House lags the street by a wide margin.
Price per m²
£1,211
Street avg £2,765
Floor Area
71 m²
Street avg 67 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.3 t/year
Street avg 2.9 t/year
Everything you need to know about The Mansion House
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Royal William Yard — bus stop.
Closest school
0.1 km
St George's CofE Primary Academy. 24 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
44.1dB

Night-time· 23:00 – 07:00
35.9dB






