40a, Walmgate, York, YO1 9TJ
About 40a
40a is a detached house in York (YO1 9TJ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (July 2022) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, wall efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 73).
It hasn't traded since October 1998, a hold of 28 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 88 m² the property is well over the postcode median (52 m² across 27 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £252,000 sits 236% above the 1998 sale of £75,000. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 67.8% below the postcode norm.
Energy performance
EPC Rating
Certificate validity
Valid until 27 July 2032
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
40a has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
40a's estimated value is more than triple its earliest registered sale price (1998).
£252,000
Modelled from EPC, postcode comparables.
£75,000
Recorded with HM Land Registry.
Sales timeline
11 October 1998Most recent
£75,000
Median price across the last 5 sales in YO1 9TJ: £204,000 (2025–2019).
Nearby sales in YO1 9TJ
Versus other Walmgate homes
On price per m², 40a runs well behind the street norm.
Price per m²
£852
Street avg £3,417
Floor Area
88 m²
Street avg 57 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
4.4 t/year
Street avg 3.4 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
232/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Merchantgate — bus stop.
Closest school
0.6 km
Fishergate Primary School. 31 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
54.9dB

Night-time· 23:00 – 07:00
45.4dB







