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Get started21 Byrne Avenue is a semi-detached house in Birkenhead (CH42 4PG). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (October 2016) shows an E (score 49), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2013); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Average and lighting dropped from Very Good to Very Poor. The recommended improvements would lift it to B (score 85), a 3-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £150,000 sits 64.8% above the 2019 sale of £91,000. On a £-per-square-foot basis, the last sale (£89/sq ft) was about 16.5% below the postcode norm. Most recent transfer: May 2019 at £91,000.
21 Byrne Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
21 Byrne Avenue valuation sits well clear of the typical sold price in this postcode.
£150,000
Modelled from EPC, postcode comparables.
£91,000
Recorded with HM Land Registry.
21 Byrne Avenue is notably below the street on epc rating.
Price per m²
£958
Street avg £1,226
Floor Area
95 m²
Street avg 90 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Byrne Avenue — bus stop.

Daytime· 07:00 – 23:00
53.5dB

28 May 2019Most recent
£91,000
Median price across the last 5 sales in CH42 4PG: £130,000 (2025–2018).
CO₂ Emissions
5.7 t/year
Street avg 4.2 t/year
Closest school
0.4 km
St Anne's Catholic Primary School. 31 schools nearby.
Night-time· 23:00 – 07:00
42.6dB
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