21 Gardiner Square, Sunderland, SR4 9PR
About 21 Gardiner Square
21 Gardiner Square is a semi-detached house in Sunderland (SR4 9PR). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (January 2026) shows a C (score 71). When first surveyed in February 2011 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, window efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
Know exactly what you're buying at 21 Gardiner Square
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
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
Hot water efficiency improved
Single glazing replaced with double or better glazing
More low energy lighting installed
Low energy lighting percentage decreased
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Heating controls upgraded for better temperature management
Wall insulation improved
Planning history
21 Gardiner Square has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
21 Gardiner Square has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£112,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SR4 9PR: £80,000 (2024–2022).
Nearby sales in SR4 9PR
Everything we know about 21 Gardiner Square, 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 Gardiner Square homes
On co₂ emissions, 21 Gardiner Square stands well clear of the street.
EPC Rating
71 (C)
Street avg 66 (D)
Floor Area
54 m²
Street avg 62 m²
CO₂ Emissions
2.1 t/year
Street avg 2.8 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Chester Road-Gardiner Square — bus stop.
Closest school
0.3 km
Grindon Infant School. 24 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
54.6dB

Night-time· 23:00 – 07:00
43.4dB