Annexe, 23 West Royd Avenue, Halifax, HX1 3NU
About Annexe
Annexe is a detached house in Halifax (HX1 3NU). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2025) shows a D (score 56), a step below the typical UK home. When first surveyed in February 2016 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
At 147 m² the property is well over the postcode median (62 m² across 9 EPCs), placing it in the larger end of the local stock.
Everything you need to know about Annexe
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Annexe's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Annexe has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Annexe has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£200,000
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 HX1 3NU: £76,500 (2021–2018).
Nearby sales in HX1 3NU
Versus other West Royd Avenue homes
CO₂ Emissions for Annexe lags the street by a wide margin.
EPC Rating
56 (D)
Street avg 59 (D)
Floor Area
147 m²
Street avg 129 m²
CO₂ Emissions
8.6 t/year
Street avg 7.7 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
Everything you need to know about Annexe
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
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Queens Rd Thorn Tree Street — bus stop.
Closest school
0.1 km
Parkinson Lane Community 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
56.4dB
Night-time· 23:00 – 07:00
44.0dB