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.
At 85 m² it's 18.1% larger than the typical home in the postcode (72 m² median across 25 EPCs). Across 2000–2024, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £116,000 is 48.7% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£85/sq ft) was about 50.2% above the typical sold price in the postcode. Most recent transfer: March 2024 at £78,000.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Planning history
21 Duncan Street has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
Sales history & valuation
21 Duncan Street has more than doubled in price since the earliest registered sale in 2000.
£116,000
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 (2025–2023).
Nearby sales in SR4 6QR
Everything we know about 21 Duncan Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other Duncan Street homes
21 Duncan Street is notably below the street on years held.
Price per m²
£918
Street avg £799
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
3/mo
Rising 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
The full 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