12a, Gledhow Avenue, Leeds, LS8 1NU
About 12a
12a is a semi-detached house in Leeds (LS8 1NU). It has a recorded floor area of 177 m² (around 1905 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2023) shows an E (score 51), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2009. Between certificates, window efficiency went from Poor to Average and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to C (score 79), a 2-band jump.
Held since April 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2000–2007, sale prices on this property compounded at 14.7% per year. Today's modelled estimate of £622,000 sits 85.7% above the 2007 sale of £335,000.
Everything you need to know about 12a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
12a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 20 February 2033
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
12a 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
Sale price has at least doubled since 2000.
£622,000
Modelled from EPC, postcode comparables and a sale-price growth of 14.7% per year over 7 years.
£335,000
Growth on file: 14.7% per year over 7 years.
Sales timeline
4 April 2007Most recent
£335,000
+103.0%over 5 years10 May 2001
£165,000
+32.0%over 1 year25 January 2000
£125,000
Median price across the last 5 sales in LS8 1NU: £460,000 (2026–2020).
Versus other Gledhow Avenue homes
12a is notably below the street on price per m².
Price per m²
£1,893
Street avg £2,588
Floor Area
177 m²
Street avg 158 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
11.0 t/year
Street avg 8.5 t/year
Everything you need to know about 12a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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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
488/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Gledhow Avenue — bus stop.
Closest school
0.2 km
Gledhow Primary School. 37 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
49.4dB
Night-time· 23:00 – 07:00
37.9dB