9a, Diamond Road, Thornaby, Stockton On Tees, TS17 8GR
About 9a
9a is a three-bedroom semi-detached house in Thornaby, Stockton-On-Tees, Stockton On Tees (TS17 8GR). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 2007 onwards and council tax band C. The latest certificate (January 2020) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 90).
At 76 m² it's 20% smaller than the typical home in the postcode (95 m² median across 15 EPCs). Across 2008–2020, sale prices on this property compounded at -0.6% per year. Today's modelled estimate of £130,000 is 27.5% above the 2020 sale price. Last sale on file: £102,000 in December 2020.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
Energy performance
EPC Rating
Certificate validity
Valid until 12 January 2030
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Planning history
9a has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
9a's sale-price growth has lagged the wider UK trajectory across its history on file.
£130,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.6% per year over 12 years.
£102,000
Growth on file: -0.6% per year over 12 years.
Sales timeline
11 December 2020Most recent
£102,000
-7.3%over 3 years26 January 2017
£110,000
+0.7%over 8 years12 December 2008
£109,245
Median price across the last 5 sales in TS17 8GR: £112,500 (2025–2018).
Nearby sales in TS17 8GR
23 Diamond Road, Thornaby, Stockton On Tees, TS17 8GR
Sold Oct 2025
£119,00019 Diamond Road, Thornaby, Stockton On Tees, TS17 8GR
Sold Oct 2020
£130,0009 Diamond Road, Thornaby, Stockton On Tees, TS17 8GR
Sold Mar 2020
£99,00021 Diamond Road, Thornaby, Stockton On Tees, TS17 8GR
Sold Jun 2018
£86,0007 Diamond Road, Thornaby, Stockton On Tees, TS17 8GR
Sold May 2008
£116,995
Versus other Diamond Road homes
9a is notably below the street on years held.
Price per m²
£1,342
Street avg £1,403
Floor Area
76 m²
Street avg 86 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.0 t/year
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The neighbourhood at a glance
Crime
445/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Shetland Avenue — bus stop.
Closest school
0.4 km
Mandale Mill Primary School. 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
53.0dB

Night-time· 23:00 – 07:00
42.3dB







