9 Planet House, Upper Market Square, Sunderland, SR1 3LH
About 9 Planet House
9 Planet House is a mid-terrace house in Sunderland (SR1 3LH). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1967-1975 and council tax band A. At 54 m² this is the smallest unit on EPC record across 9 Planet House (54–69 m²). On EPC score it ranks last in the building (59 versus a best of 68). The latest certificate (January 2022) shows a D (score 59), a step below the typical UK home. Earlier certificates rated it B (July 2009); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Very Poor. Main heating runs on electricity.
Across 2013–2019, sale prices on this property compounded at -3.4% per year. Today's modelled estimate of £111,000 sits 184.6% above the 2019 sale of £39,000. On a £-per-square-foot basis, the last sale (£67/sq ft) was about 16.9% below the postcode norm. Sold December 2019 for £39,000.
Energy performance
EPC Rating
Certificate validity
Valid until 17 January 2032
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Heating system changed
Changed to a more efficient fuel source
Hot water system upgraded
More low energy lighting installed
Hot water efficiency decreased
Wall insulation improved
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
9 Planet House has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
9 Planet House valuation sits well clear of the typical sold price in this postcode.
£111,000
Modelled from EPC, postcode comparables and a sale-price growth of -3.4% per year over 6 years.
£39,000
Growth on file: -3.4% per year over 6 years.
Sales timeline
11 December 2019Most recent
£39,000
-18.8%over 6 years21 November 2013
£48,000
Median price across the last 5 sales in SR1 3LH: £59,950 (2026–2008).
Versus other Upper Market Square homes
9 Planet House is notably below the street on habitable rooms.
EPC Rating
59 (D)
Street avg 64 (D)
Floor Area
54 m²
Street avg 61 m²
CO₂ Emissions
3.8 t/year
Street avg 4.4 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
198/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Sunderland — bus stop.
Closest school
0.6 km
Hudson Road Primary School. 27 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
58.2dB

Night-time· 23:00 – 07:00
48.3dB







