Ashness House is a five-bedroom detached house in King's Lynn (PE32 1NB). It has a recorded floor area of 165 m² (around 1776 sq ft) and construction records dating it to 1976-1982. The latest certificate (May 2014) shows an E (score 47), well below the UK norm with real room to improve. Earlier certificates rated it D (February 2013); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Average and lighting dropped from Good to Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on oil. The latest certificate is from May 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 3.5% per year against 0% for the wider region. Today's modelled estimate of £552,000 is 31.1% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£237/sq ft) was about 51.1% above the typical sold price in the postcode. At 165 m² the property is well over the postcode median (95 m² across 18 EPCs), placing it in the larger end of the local stock. Last changed hands 11 years ago, in December 2015.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Ashness House's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 28 May 2024
Ashness House has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
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Ashness House valuation sits well clear of the typical sold price in this postcode.
£552,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 14 years.
£421,000
Growth on file: 3.5% per year over 14 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
On habitable rooms, Ashness House stands well clear of the street.
Price per m²
£2,552
Street avg £2,479
Floor Area
165 m²
Street avg 121 m²
Habitable Rooms
8 rooms
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.
Closest school
1.2 km

Daytime· 07:00 – 23:00
42.5dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Hot water efficiency decreased
Low energy lighting percentage decreased
Hot water efficiency improved
Wall insulation upgraded
3 December 2015Most recent
£421,000
+27.6%over 1 year12 December 2013
£330,000
+25.5%over 11 years8 February 2002
£263,000
Median price across the last 5 sales in PE32 1NB: £285,000 (2025–2021).
15 Glosthorpe Manor Ashwicken King S Lynn
Sold Jan 2025
7 Glosthorpe Manor Ashwicken King S Lynn
Sold May 2024
Samara Glosthorpe Manor Ashwicken King S Lynn
Sold Aug 2023
11 Glosthorpe Manor Ashwicken King S Lynn
Sold May 2023
17 Glosthorpe Manor Ashwicken King S Lynn
Sold Mar 2021

Street avg 5 rooms
CO₂ Emissions
9.9 t/year
Street avg 6.7 t/year
PE32 1FX
Ashwicken Church of England Voluntary Aided Primary School. 1 school nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
35.7dB