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Get started23 Boynston Grove is a four-bedroom semi-detached house in Sedgefield, Stockton-On-Tees, Stockton On Tees (TS21 3BD). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (September 2014) shows a C (score 73). The recommended improvements would push it to B (score 83). The latest certificate is from September 2014, so improvements made since then won't be reflected. Other recorded features include a conservatory and outbuildings. The home occupies a cul-de-sac position.
Sale prices here have outpaced Stockton On Tees HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £263,000 is 19.5% above the 2016 sale price. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a conservatory and partial demolition, meaningful when judging how the property has evolved. At 122 m² it's 27.1% larger than the typical home in the postcode (96 m² median across 13 EPCs). Its energy rating outperforms most of the postcode (better than 77% of similar EPCs). On the market in August 2016 and unlisted since — roughly 10 years.
23 Boynston Grove's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 10 Sept 2024
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Extension: Single storey · Rear of property
Single storey rear extension
23 Boynston Grove has more than doubled in price since the earliest registered sale in 2000.
£263,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 16 years.
£220,000
Growth on file: 6.8% per year over 16 years.
EPC Rating for 23 Boynston Grove runs comfortably ahead of the street norm.
Price per m²
£1,803
Street avg £1,902
Floor Area
122 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
New Dun Cow — bus stop.

Daytime· 07:00 – 23:00
51.1dB

Extension: Single storey
DEMOLITION OF EXISTING GARAGE AND ERECTION OF SINGLE STOREY EXTENSION TO SIDE AND CONSERVATORY TO REAR
5 August 2016Most recent
£220,000
+185.7%over 15 years18 August 2000
£77,000
Median price across the last 5 sales in TS21 3BD: £187,000 (2025–2022).
9 Boynston Grove Sedgefield Stockton On Tees
Sold Oct 2025
24 Boynston Grove Sedgefield Stockton On Tees
Sold Aug 2025
18 Boynston Grove Sedgefield Stockton On Tees
Sold Jun 2024
8 Boynston Grove Sedgefield Stockton On Tees
Sold Nov 2022
5 Boynston Grove Sedgefield Stockton On Tees
Sold Feb 2021
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 5.2 t/year
TS21 3FJ
Closest school
0.4 km
Sedgefield Primary School. 3 schools nearby.
Night-time· 23:00 – 07:00
41.1dB
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