11 Harriet House, Sorbonne Close, Thornaby, Stockton On Tees, TS17 6DG
About 11 Harriet House
11 Harriet House is an end-of-terrace house in Thornaby, Stockton-On-Tees, Stockton On Tees (TS17 6DG). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1991-1995 and council tax band A. At 48 m² this is the 26th smallest of 61 units on EPC record in the building, where floor areas span 37–72 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2026) shows a C (score 73). When first surveyed in October 2008 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Average and lighting went from Poor to Good; while window efficiency dropped from Average to Poor. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
Everything you need to know about 11 Harriet House
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
11 Harriet House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
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
11 Harriet House has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
11 Harriet House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£118,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Versus other Sorbonne Close homes
On co₂ emissions, 11 Harriet House stands well clear of the street.
EPC Rating
73 (C)
Street avg 72 (C)
Floor Area
48 m²
Street avg 44 m²
CO₂ Emissions
0.6 t/year
Street avg 2.2 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 11 Harriet 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
The data behind every report
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Mecca Bingo — bus stop.
Closest school
0.5 km
The Education Training Collective. 26 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
58.7dB
Night-time· 23:00 – 07:00
49.3dB