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21 Ashwood Grange, Thornley, Durham, DH6 3ET

3 planning records
Property type
Detached
Bedrooms
4
Bathrooms
2
Floor area
119 m²
1281 sq ft
Energy rating
C
Score 74
Council tax
Band C
Tenure
Owner Occupied
Overview

About 21 Ashwood Grange

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 Ashwood Grange is a four-bedroom detached house in Thornley, Durham, Durham (DH6 3ET). It has a recorded floor area of 119 m² (around 1281 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (January 2019) shows a C (score 74). The recommended improvements would push it to B (score 84). Records show the property has been extended at some point in its history. The home occupies a corner plot and a cul-de-sac position.

3 planning records sit against the property, 1 approved, 1 refused, 1 pending. Past consents include tree works, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. At 119 m² it's 15.5% larger than the typical home in the postcode (103 m² median across 17 EPCs). 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. Across 2003–2019, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £244,000 is 35.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£141/sq ft) was about 31.2% above the typical sold price in the postcode. Sold May 2019 for £180,000.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms4
  • Bathrooms2
  • Dining roomYes
  • EnsuiteYes

Outside

  • Corner plotYes
  • Cul-de-sacYes

Building

  • Previously extendedYes
  • RefurbishedYes
Before you decide

Everything you need to know about 21 Ashwood Grange

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

EPC Rating

A
B
C
C74
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
3.7 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 21 Ashwood Grange, Thornley, Durham, DH6 3ET, sourced from the PlanIt planning register.

An application for a two-storey side extension is currently awaiting a decision.

  1. Jan 2026
    ExtensionFull
    In report

    Extension: Two storey · Side of property

    Two storey side extension

    Agent
    Gordon Thornton Architectural Services
    Documents
    9 docs on file
    Reference
    DM/26/00045/FPA
    View planning record
  2. Jul 2019
    Tree WorksTrees
    In report

    Proposed works to Ash tree consisting of Crown reduction of 2m, Crown lift to 4m, the reduction of one horizontal branch overhanging the road and the removal of dead and damaged branches (description amended)

    Documents
    5 docs on file
    Reference
    DM/19/01843/TPO
    View planning record
Before you offer

We flagged 1 thing worth checking at 21 Ashwood Grange

Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.

  • Larger development activity nearby
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

21 Ashwood Grange has more than doubled in price since the earliest registered sale in 2003.

Current estimate

£244,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 16 years.

See how we calculated this
Last sold (2019)

£180,000

Growth on file: 4.4% per year over 16 years.

Sales timeline

  1. 9 May 2019Most recent

    £180,000

    +100.0%over 16 years
  2. 7 March 2003

    £90,000

Median price across the last 5 sales in DH6 3ET: £185,500 (2025–2020).

On the street

Versus other Ashwood Grange homes

Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.

On epc rating, 21 Ashwood Grange stands well clear of the street.

Price per m²

£1,513

Street avg £1,273

Above

Floor Area

119 m²

Street avg 104 m²

Strongly above

Habitable Rooms

7 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

3.7 t/year

Street avg 4.8 t/year

Strongly above
Before you decide

Everything you need to know about 21 Ashwood Grange

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Durham district page.

Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.

Crime

5/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Post Office — bus stop.

Closest school

0.5 km

Thornley Academy. 6 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around DH6 3ET from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for DH6 3ET

Daytime· 07:00 – 23:00

47.6dB

Low
Night-time road noise heatmap for DH6 3ET

Night-time· 23:00 – 07:00

38.9dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Ashwood Grange, Thornley, Durham, DH6 3ET. Each answer is also embedded as structured data for search engines.