21 Duncan Street, Sunderland, SR4 6QR
About 21 Duncan Street
21 Duncan Street is a mid-terrace house in Sunderland (SR4 6QR). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (November 2022) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since March 2012. Between certificates, hot-water efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 84), a 2-band jump.
Across 2000–2024, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £117,000 sits 50% above the 2024 sale of £78,000. On a £-per-square-foot basis, the last sale (£85/sq ft) was about 47.5% above the typical sold price in the postcode. At 85 m² it's 18.1% larger than the typical home in the postcode (72 m² median across 25 EPCs). Most recent transfer: March 2024 at £78,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 3 November 2032
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
21 Duncan Street 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 Duncan Street has more than doubled in price since the earliest registered sale in 2000.
£117,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 24 years.
£78,000
Growth on file: 4.4% per year over 24 years.
Sales timeline
1 March 2024Most recent
£78,000
+118.5%over 2 years30 September 2021
£35,700
+27.5%over 21 years24 February 2000
£28,000
Median price across the last 5 sales in SR4 6QR: £60,000 (2026–2024).
Nearby sales in SR4 6QR
Versus other Duncan Street homes
21 Duncan Street is notably below the street on years held.
Price per m²
£918
Street avg £816
Floor Area
85 m²
Street avg 70 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.8 t/year
Street avg 3.9 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
250/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
St Lukes Terrace — bus stop.
Closest school
0.2 km
Diamond Hall Infant Academy. 35 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
55.4dB

Night-time· 23:00 – 07:00
43.0dB







