21 Crummock Avenue, Sunderland, SR6 8NX
About 21 Crummock Avenue
21 Crummock Avenue is a three-bedroom semi-detached house in Sunderland (SR6 8NX). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (January 2017) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 84). Our model identifies extension potential, subject to local planning policy.
Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Today's modelled estimate of £207,000 is 23.6% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£216/sq ft) was about 16% above the typical sold price in the postcode. Sold September 2024 for £167,500.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
- GarageYes
Building
- Extension potentialPossible
Energy performance
EPC Rating
Certificate validity
Valid until 27 January 2027
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Planning history
21 Crummock Avenue has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
21 Crummock Avenue valuation sits well clear of the typical sold price in this postcode.
£207,000
Modelled from EPC, postcode comparables.
£167,500
Recorded with HM Land Registry.
Sales timeline
15 September 2024Most recent
£167,500
Median price across the last 5 sales in SR6 8NX: £210,000 (2025–2022).
Nearby sales in SR6 8NX
27 Crummock Avenue, Sunderland, SR6 8NX
Sold Feb 2025
£200,00020 Crummock Avenue, Sunderland, SR6 8NX
Sold Nov 2024
£230,00055 Crummock Avenue, Sunderland, SR6 8NX
Sold Oct 2024
£210,00015 Crummock Avenue, Sunderland, SR6 8NX
Sold Sept 2022
£250,00040 Crummock Avenue, Sunderland, SR6 8NX
Sold Jan 2022
£245,000
Versus other Crummock Avenue homes
21 Crummock Avenue is notably below the street on floor area.
Price per m²
£2,326
Street avg £2,142
Floor Area
72 m²
Street avg 85 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.1 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
177/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Alston Crescent-Martindale Avenue — bus stop.
Closest school
0.3 km
Seaburn Dene Primary School. 16 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
50.6dB

Night-time· 23:00 – 07:00
41.3dB







