12 Park Avenue, Thornaby, Stockton On Tees, TS17 7JN
About 12 Park Avenue
12 Park Avenue is a three-bedroom semi-detached house in Thornaby, Stockton-On-Tees, Stockton On Tees (TS17 7JN). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (February 2021) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Good to Very Good and main heating went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump.
Today's modelled estimate of £138,000 is 21.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£114/sq ft) was about 18% above the typical sold price in the postcode. Sold September 2021 for £114,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenFront and rear
- GarageYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
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Planning history
12 Park Avenue 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
12 Park Avenue's sale-price growth has lagged the wider UK trajectory across its history on file.
£138,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.5% per year over 15 years.
£114,000
Growth on file: -0.5% per year over 15 years.
Sales timeline
8 September 2021Most recent
£114,000
-3.0%over 8 years16 July 2013
£117,500
-3.7%over 6 years3 November 2006
£122,000
Median price across the last 5 sales in TS17 7JN: £112,000 (2025–2021).
Nearby sales in TS17 7JN
8 Park Avenue, Thornaby, Stockton On Tees, TS17 7JN
Sold Aug 2025
£102,00024 Park Avenue, Thornaby, Stockton On Tees, TS17 7JN
Sold Jun 2025
£130,00041 Park Avenue, Thornaby, Stockton On Tees, TS17 7JN
Sold Feb 2025
£132,50029 Park Avenue, Thornaby, Stockton On Tees, TS17 7JN
Sold Oct 2024
£106,00032 Park Avenue, Thornaby, Stockton On Tees, TS17 7JN
Sold Oct 2021
£112,000
Versus other Park Avenue homes
12 Park Avenue is notably below the street on habitable rooms.
Price per m²
£1,226
Street avg £1,061
Floor Area
93 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 4.3 t/year
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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
0.0 km
Eric Avenue — bus stop.
Closest school
0.1 km
Harewood Primary School. 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
55.8dB

Night-time· 23:00 – 07:00
46.5dB







