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Get started23 Western Avenue is a three-bedroom semi-detached house in Haverhill (CB9 9HZ). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (March 2020) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in February 2011 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Very Good and window efficiency went from Average to Good. The recommended improvements would lift it to B (score 82), a 2-band jump.
Sale prices here have outpaced England HPI: 6.4% per year against 0% for the wider region. Today's modelled estimate of £309,000 is 18.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£273/sq ft) was about 49.7% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 89 m² it's 21.9% larger than the typical home in the postcode (73 m² median across 17 EPCs). Last sale on file: £261,666 in September 2020.
Recommended upgrades on file would lift this property by multiple EPC bands.
Extension: Rear of property
Householder Planning Application - extension to the rear of the property to create a bedroom with en-suite, render front elevation and alterations to porch
23 Western Avenue has more than tripled in price since its earliest registered sale in 2002.
£309,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 18 years.
£261,666
Growth on file: 6.4% per year over 18 years.
Floor Area for 23 Western Avenue runs comfortably ahead of the street norm.
Price per m²
£2,940
Street avg £2,454
Floor Area
89 m²
Street avg 80 m²
Habitable Rooms
4 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ash Grove — bus stop.

Daytime· 07:00 – 23:00
49.1dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Householder Prior Approval - Single storey rear extension which extends beyond the rear wall of the original house by 4 metres with a maximum height of 2.6 metres and a height of 2.6 metres to the eaves
23 September 2020Most recent
£261,666
+101.3%over 7 years26 September 2012
£130,000
+51.2%over 10 years30 August 2002
£86,000
Median price across the last 5 sales in CB9 9HZ: £247,500 (2025–2018).
Street avg 4 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.6 t/year
CB9 9JG
Closest school
0.3 km
Castle Manor Academy. 9 schools nearby.
Night-time· 23:00 – 07:00
39.6dB
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