19 Back Street, Harpley, King's Lynn, PE31 6TU
About 19 Back Street
19 Back Street is a detached house in King's Lynn (PE31 6TU). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (July 2018) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in September 2012 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Very Poor to Good and lighting went from Average to Very Good. The recommended improvements would lift it to A (score 104), a 4-band jump. Main heating runs on oil.
At 85 m² it's 27.7% smaller than the typical home in the postcode (118 m² median across 14 EPCs).
Energy performance
19 Back Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 4 July 2028
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
19 Back Street 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
19 Back Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£296,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in PE31 6TU: £255,000 (2026–2019).
Nearby sales in PE31 6TU
Rhubarb Cottage, Back Street, Harpley, King's Lynn, PE31 6TU
Sold Apr 2026
£255,00010 Back Street, Harpley, King's Lynn, PE31 6TU
Sold Jul 2025
£420,00023 Back Street, Harpley, King's Lynn, PE31 6TU
Sold May 2022
£266,30029 Back Street, Harpley, King's Lynn, PE31 6TU
Sold Mar 2019
£246,50030 Back Street, Harpley, King's Lynn, PE31 6TU
Sold Sept 2016
£168,000
Versus other Back Street homes
19 Back Street is notably below the street on habitable rooms.
EPC Rating
42 (E)
Street avg 48 (E)
Floor Area
85 m²
Street avg 139 m²
CO₂ Emissions
6.2 t/year
Street avg 8.1 t/year
Habitable Rooms
4 rooms
Street avg 6 rooms
Similar properties nearby
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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
50/mo
Falling year-on-year across the wider district.
Closest school
0.9 km
Harpley CofE VC Primary School. 1 school 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
45.1dB

Night-time· 23:00 – 07:00
37.0dB







