The Mansion House, Flat 1, 5 Royal William Road, Plymouth, PL1 3RQ
About The Mansion House
The Mansion House is a two-bedroom semi-detached house in Plymouth (PL1 3RQ). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (November 2022) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since April 2010. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 72). At 81 m² this is the 4th 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. Other recorded features include notable views. Period features are noted in the property record.
Untraded for 16 years, with the last transfer in October 2010. At 81 m² it's 20.9% larger than the typical home in the postcode (67 m² median across 6 EPCs). Across 1999–2010, sale prices on this property compounded at 9.4% per year. On a £-per-square-foot basis, the last sale (£279/sq ft) was about 128% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Dining roomYes
Outside
- ParkingOff road
- Notable viewsYes
Building
- Period featuresYes
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
Sale price has at least doubled since 1999.
£266,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.4% per year over 12 years.
£243,000
Growth on file: 9.4% per year over 12 years.
Sales timeline
4 October 2010Most recent
£243,000
+186.1%over 11 years9 February 1999
£84,950
Median price across the last 5 sales in PL1 3RQ: £225,000 (2025–2002).
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
£242,5001 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
£163,450The Mansion House, Flat 5, 5 Royal William Road, Plymouth, PL1 3RQ
Sold Aug 2000
£115,000
Versus other Royal William Road homes
The Mansion House outperforms the street on floor area by a wide margin.
Price per m²
£3,000
Street avg £2,318
Floor Area
81 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.8 t/year
Street avg 2.8 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
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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






