18 Duncan Street, Sunderland, SR4 6QR
About 18 Duncan Street
18 Duncan Street is a four-bedroom mid-terrace house in Sunderland (SR4 6QR). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (December 2025) shows a C (score 71). When first surveyed in May 2013 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and roof efficiency went from Very Poor to Average; while window efficiency dropped from Average to Poor and lighting dropped from Good to Very Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
Held since June 2003 — that's 23 years off the open market, well above the local norm. At 99 m² the property is well over the postcode median (72 m² across 25 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 84% of similar EPCs). 4 bedrooms is on the larger side for this postcode, where 3 is the typical count. Today's modelled estimate of £139,000 sits 334.4% above the 2003 sale of £32,000. On a £-per-square-foot basis, the last sale (£30/sq ft) was about 47.1% below the postcode norm.
Know exactly what you're buying at 18 Duncan Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms1
Outside
- Private gardenrear
- Garagedouble
Building
- Heating systemgas
- RefurbishedYes
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Low energy lighting percentage decreased
Planning history
18 Duncan Street has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
Sales history & valuation
18 Duncan Street's modelled value sits at over four times its earliest registered sale price (2003).
£139,000
Modelled from EPC, postcode comparables.
£32,000
Recorded with HM Land Registry.
Sales timeline
16 June 2003Most recent
£32,000
Median price across the last 5 sales in SR4 6QR: £60,000 (2025–2024).
Nearby sales in SR4 6QR
Everything we know about 18 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
On epc rating, 18 Duncan Street stands well clear of the street.
Price per m²
£323
Street avg £825
Floor Area
99 m²
Street avg 69 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.0 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
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