20a, Sir Lewis Street, King's Lynn, PE30 2AH
About 20a
20a is a mid-terrace house in King's Lynn (PE30 2AH). It has a recorded floor area of 34 m² (around 366 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (June 2020) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in July 2017 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity. At 34 m² this is the 6th smallest of 51 units on EPC record in the building, where floor areas span 27–172 m². The building's EPC ratings span G to C across 51 units on file.
At 34 m² it sits well below the postcode median (72 m² across 50 EPCs), making it one of the more compact homes locally.
Everything you need to know about 20a
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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
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 no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
20a has no planning applications on record.
But the area is active
14 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£118,000
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 PE30 2AH: £129,995 (2025–2024).
Nearby sales in PE30 2AH
42 Sir Lewis Street, King's Lynn, PE30 2AH
Sold Jul 2025
£108,00029 Sir Lewis Street, King's Lynn, PE30 2AH
Sold May 2025
£135,0001 Sir Lewis Street, King's Lynn, PE30 2AH
Sold Apr 2025
£1,00040 Sir Lewis Street, King's Lynn, PE30 2AH
Sold Feb 2025
£145,00034 Sir Lewis Street, King's Lynn, PE30 2AH
Sold Feb 2024
£129,995
Versus other Sir Lewis Street homes
20a is notably below the street on co₂ emissions.
EPC Rating
62 (D)
Street avg 68 (D)
Floor Area
34 m²
Street avg 36 m²
CO₂ Emissions
2.9 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 20a
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
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.8 km
Kings Lynn Rail Station — railway station.
Closest school
0.6 km
Eastgate Academy. 20 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
52.3dB
Night-time· 23:00 – 07:00
42.5dB