Are you a property professional?Get qualified leads from motivated homeowners.
Get started23 Sir Williams Close, Aylsham, Norwich, NR11 6AP
About 23 Sir Williams Close
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
23 Sir Williams Close is a three-bedroom detached house in Aylsham, Norwich, Norwich (NR11 6AP). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (April 2016) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history. The home occupies a corner plot.
At 114 m² it's 23.9% larger than the typical home in the postcode (92 m² median across 30 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Last sold in December 2016, so it's been off the market for around 9 years. Today's modelled estimate of £328,000 is 36.7% above the 2016 sale price.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms3
Outside
- Private gardenYes
- Garagedouble
- Corner plot
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
23 Sir Williams Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Apr 2026
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
23 Sir Williams Close valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£328,000
Modelled from EPC, postcode comparables.
Last sold (2016)
£240,000
Recorded with HM Land Registry.
Sales timeline
Versus other Sir Williams Close homes
Four headline reads against 30 similar houses on this street, drawn from the latest EPC and Land Registry data.
CO₂ Emissions for 23 Sir Williams Close lags the street by a wide margin.
Price per m²
£2,105
Street avg £2,541
Floor Area
114 m²
Street avg 94 m²
Habitable Rooms
7 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Norwich district page.
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.
Road noise across the postcode
Modelled day and night-time noise levels around NR11 6AP from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
48.6dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 5 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 23 Sir Williams Close, Aylsham, Norwich, NR11 6AP. Each answer is also embedded as structured data for search engines.