21 Aydon House, Farringdon, Sunderland, SR3 3HN
About 21 Aydon House
21 Aydon House is a mid-terrace house in Farringdon, Sunderland, Sunderland (SR3 3HN). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1983-1990 and council tax band A. The latest certificate (July 2023) returns a B (score 81), comfortably above the UK average. When first surveyed in September 2009 the rating was C, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good and lighting went from Poor to Very Good. At 66 m² this is the 9th smallest of 12 units on EPC record in the building, where floor areas span 62–70 m². The building's EPC ratings span D to B, with this unit at the top. On EPC score it ranks first in the building (81 versus a worst of 62).
On energy efficiency it sits in the top 10% of properties in this postcode. Across 2002–2020, sale prices on this property compounded at 2.4% per year. Today's modelled estimate of £105,000 sits 100% above the 2020 sale of £52,500. Most recent transfer: June 2020 at £52,500. Across the public record there are 4 sales, relatively high churn for a single property.
Energy performance
21 Aydon House ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Heating controls upgraded for better temperature management
Cavity wall insulation installed
More low energy lighting installed
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Planning history
21 Aydon House has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Aydon House's estimated value is more than triple its earliest registered sale price (2002).
£105,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.4% per year over 18 years.
£52,500
Growth on file: 2.4% per year over 18 years.
Sales timeline
3 June 2020Most recent
£52,500
+2.9%over 4 years1 March 2016
£51,000
-25.0%over 9 years4 May 2006
£68,000
+97.1%over 3 years24 October 2002
£34,500
Median price across the last 5 sales in SR3 3HN: £42,000 (2025–2022).
Nearby sales in SR3 3HN
19 Aydon House, Farringdon, Sunderland, SR3 3HN
Sold Mar 2025
£50,0001 Aydon House, Farringdon, Sunderland, SR3 3HN
Sold Oct 2024
£32,50017 Aydon House, Farringdon, Sunderland, SR3 3HN
Sold Sept 2023
£52,0007 Aydon House, Farringdon, Sunderland, SR3 3HN
Sold Mar 2023
£42,00011 Aydon House, Farringdon, Sunderland, SR3 3HN
Sold Aug 2022
£34,250
Versus other Aydon House homes
21 Aydon House outperforms the street on epc rating by a wide margin.
Price per m²
£795
Street avg £839
Floor Area
66 m²
Street avg 65 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 t/year
Street avg 2.2 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Allendale Road-Aberdare Road — bus stop.
Closest school
0.2 km
Farringdon Community Academy. 25 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
51.9dB

Night-time· 23:00 – 07:00
40.2dB







