145 Sir Williams Close, Aylsham, Norwich, NR11 6AY
About 145 Sir Williams Close
145 Sir Williams Close is a semi-detached house in Aylsham, Norwich, Norwich (NR11 6AY). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (June 2022) shows a C (score 73). When first surveyed in February 2020 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 87).
Today's modelled estimate of £280,000 is 33.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£257/sq ft) was about 50.3% above the typical sold price in the postcode. At 76 m² it's 22.1% smaller than the typical home in the postcode (98 m² median across 38 EPCs). Most recent transfer: May 2021 at £210,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Certificate validity
Valid until 18 June 2032
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
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Planning history
145 Sir Williams Close 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£280,000
Modelled from EPC, postcode comparables.
£210,000
Recorded with HM Land Registry.
Sales timeline
26 May 2021Most recent
£210,000
Median price across the last 5 sales in NR11 6AY: £310,000 (2024–2022).
Nearby sales in NR11 6AY
95 Sir Williams Close, Aylsham, Norwich, NR11 6AY
Sold Oct 2024
£275,000173 Sir Williams Close, Aylsham, Norwich, NR11 6AY
Sold Aug 2024
£320,000151 Sir Williams Close, Aylsham, Norwich, NR11 6AY
Sold Jan 2024
£358,00097 Sir Williams Close, Aylsham, Norwich, NR11 6AY
Sold Jan 2023
£310,000115 Sir Williams Close, Aylsham, Norwich, NR11 6AY
Sold Nov 2022
£290,000
Versus other Sir Williams Close homes
145 Sir Williams Close outperforms the street on co₂ emissions by a wide margin.
Price per m²
£2,763
Street avg £2,462
Floor Area
76 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.5 t/year
Street avg 4.1 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
51/mo
Falling year-on-year across the wider district.
Nearest stop
0.5 km
Aylsham (Bure Valley Railway) — subway entrance.
Closest school
0.3 km
Aylsham High School. 4 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
48.2dB

Night-time· 23:00 – 07:00
38.3dB







