25 Invention Avenue, Birmingham, B21 9AF
About 25 Invention Avenue
25 Invention Avenue is a semi-detached house in Birmingham (B21 9AF). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 2007-2011 and council tax band B. The latest certificate (June 2026) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (August 2013); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £197,000 sits 53.6% above the 2013 sale of £128,245. One planning record on file: an extension approved in 2026. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 13 years ago, in July 2013.
Everything you need to know about 25 Invention Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
25 Invention Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 17 June 2036
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Solar PV panels (50 kWp) installed
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Planning history
Council records include a two-storey side and rear extension at 25 Invention Avenue.
1 application on record at 25 Invention Avenue, Birmingham, B21 9AF
- Jan 2026ExtensionFullOutcome in report
Extension: Two storey · Side and rear of property
Erection of two storey side and rear extension and Juliette balconies to rear
- Council
- Perry Barr
- Documents
- 6 docs on file
- Reference
- 2025/06938/PA
Unlock 25 Invention Avenue, Birmingham, B21 9AF's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 8 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
25 Invention Avenue valuation sits well clear of the typical sold price in this postcode.
£197,000
Modelled from EPC, postcode comparables.
£128,245
Recorded with HM Land Registry.
Sales timeline
25 July 2013Most recent
£128,245
Median price across the last 5 sales in B21 9AF: £134,995 (2021–2013).
Nearby sales in B21 9AF
4 Invention Avenue, Birmingham, B21 9AF
Sold Jun 2021
£200,00012 Invention Avenue, Birmingham, B21 9AF
Sold Jul 2018
£134,9502 Invention Avenue, Birmingham, B21 9AF
Sold Sept 2013
£134,99519 Invention Avenue, Birmingham, B21 9AF
Sold Aug 2013
£137,50021 Invention Avenue, Birmingham, B21 9AF
Sold Aug 2013
£137,500
Versus other Invention Avenue homes
On epc rating, 25 Invention Avenue runs well behind the street norm.
Price per m²
£1,564
Street avg £1,567
Floor Area
82 m²
Street avg 86 m²
CO₂ Emissions
1.8 t/year
Street avg 1.0 t/year
Years Held
13 years
Street avg 12 years
Everything you need to know about 25 Invention Avenue
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
293/mo
Steady year-on-year across the wider district.
Nearest stop
1.2 km
Winson Green Outer Circle (West Midlands Metro) — subway entrance.
Closest school
0.2 km
William Murdoch Primary School. 58 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






