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Get started17 Sir Williams Close is a two-bedroom detached house in Aylsham, Norwich, Norwich (NR11 6AP). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (December 2020) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 86), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Today's modelled estimate of £309,000 is 12.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£308/sq ft) was about 67.9% above the typical sold price in the postcode. Sold March 2021 for £275,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£309,000
Modelled from EPC, postcode comparables.
£275,000
Recorded with HM Land Registry.
17 Sir Williams Close outperforms the street on price per m² by a wide margin.
Price per m²
£3,313
Street avg £2,496
Floor Area
83 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Aylsham (Bure Valley Railway) — subway entrance.

Daytime· 07:00 – 23:00
48.6dB

19 March 2021Most recent
£275,000
Median price across the last 5 sales in NR11 6AP: £243,500 (2025–2021).
Street avg 5 rooms
CO₂ Emissions
4.9 t/year
Street avg 4.6 t/year
NR11 6LS
Closest school
0.1 km
Aylsham High School. 4 schools nearby.
Night-time· 23:00 – 07:00
38.9dB
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