4 Castle Green, Mileham, King's Lynn, PE32 2RL
About 4 Castle Green
4 Castle Green is a four-bedroom detached house in King's Lynn (PE32 2RL). It has a recorded floor area of 172 m² (around 1851 sq ft), construction records dating it to 2012-2021 and council tax band E. The latest certificate (October 2025) returns a high B (score 91), putting the home a stone's throw from an A rating. When first surveyed in March 2012 the rating was C, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good. Main heating runs on oil. Other recorded features include notable views and a conservatory.
It hasn't traded since December 2009, a hold of 16 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £542,000 sits 72.9% above the 2009 sale of £313,500. At 172 m² it's 21.1% larger than the typical home in the postcode (142 m² median across 3 EPCs).
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
- ConservatoryYes
- FireplaceYes
Outside
- Private gardenRear
- GarageDouble
- Notable viewsYes
Everything you need to know about 4 Castle Green
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
4 Castle Green has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£542,000
Modelled from EPC, postcode comparables.
£313,500
Recorded with HM Land Registry.
Sales timeline
18 December 2009Most recent
£313,500
Median price across the last 5 sales in PE32 2RL: £330,000 (2020–2009).
Versus other Castle Green homes
On price per m², 4 Castle Green runs well behind the street norm.
Price per m²
£1,823
Street avg £2,474
Floor Area
172 m²
Street avg 157 m²
CO₂ Emissions
4.2 t/year
Street avg 4.2 t/year
Years Held
16 years
Street avg 10 years
Everything you need to know about 4 Castle Green
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
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
42.4dB
Night-time· 23:00 – 07:00
37.0dB