The Mansion House, Flat 4, 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 79 m² (around 850 sq ft), construction records dating it to 1996-2002 and council tax band D. At 79 m² this is the 3rd 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, with this unit at the top. On EPC score it ranks first in the building (75 versus a worst of 53). Other recorded features include a balcony and notable views. The latest certificate (February 2015) shows a C (score 75), near the top of the C band. The latest certificate is from February 2015, so improvements made since then won't be reflected.
At 79 m² it's 17.9% larger than the typical home in the postcode (67 m² median across 6 EPCs). Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Across 1998–2017, sale prices on this property compounded at 5.3% per year. On a £-per-square-foot basis, the last sale (£285/sq ft) was about 133.3% above the typical sold price in the postcode. Last sold in May 2017, so it's been off the market for around 9 years.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- ParkingAllocated
- BalconyYes
- Notable viewsYes
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

Energy performance
The Mansion House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Feb 2025
EPC Rating
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £545 · 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 more than doubled in price since the earliest registered sale in 1998.
£261,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 19 years.
£242,500
Growth on file: 5.3% per year over 19 years.
Sales timeline
18 May 2017Most recent
£242,500
+169.4%over 19 years20 February 1998
£90,000
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 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
£163,450The Mansion House, Flat 5, 5 Royal William Road, Plymouth, PL1 3RQ
Sold Aug 2000
£115,000
Versus other Royal William Road homes
On epc rating, The Mansion House stands well clear of the street.
Price per m²
£3,070
Street avg £2,301
Floor Area
79 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.1 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

Similar properties nearby
13a Stonehall Flats
PL1 3QZ
10a Stonehall Flats
PL1 3QZ
10b Stonehall Flats
PL1 3QZ
11a Stonehall Flats
PL1 3QZ
11b Stonehall Flats
PL1 3QZ
11a, Basement Flat, Northumberland Terrace
PL1 3DD
12a, Garden Flat, Northumberland Terrace
PL1 3DD
10 Valletort Flats, Valletort Place
PL1 3SR
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






