12 Duncan Street, Sunderland, SR4 6QR
About 12 Duncan Street
12 Duncan Street is a two-bedroom mid-terrace house in Sunderland (SR4 6QR). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2026) shows a C (score 70). When first surveyed in April 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and lighting went from Average to Very Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
Across 2002–2017, sale prices on this property compounded at 1% per year. Today's modelled estimate of £109,000 sits 202.8% above the 2017 sale of £36,000. At 54 m² it's 28% smaller than the typical home in the postcode (75 m² median across 25 EPCs). Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Last sold in August 2017, so it's been off the market for around 9 years.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 11 March 2036
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Roof insulation improved
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
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
12 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
12 Duncan Street's estimated value is more than triple its earliest registered sale price (2002).
£109,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.0% per year over 15 years.
£36,000
Growth on file: 1.0% per year over 15 years.
Sales timeline
2 August 2017Most recent
£36,000
+16.1%over 15 years20 June 2002
£31,000
Median price across the last 5 sales in SR4 6QR: £60,000 (2026–2024).
Nearby sales in SR4 6QR
Versus other Duncan Street homes
CO₂ Emissions for 12 Duncan Street runs comfortably ahead of the street norm.
Price per m²
£667
Street avg £827
Floor Area
54 m²
Street avg 71 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 4.0 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







