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Get started17 Blackberry Lane is a five-bedroom detached house in Four Marks, Alton, Alton (GU34 5BN). It has a recorded floor area of 215 m² (around 2314 sq ft), construction records dating it to 1991-1995 and council tax band G. The latest certificate (February 2022) returns a high B (score 90), putting the home a stone's throw from an A rating. When first surveyed in February 2011 the rating was D, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Average. Main heating runs on electricity. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 7.2% per year against 0% for the wider region. Today's modelled estimate of £830,000 is 33.9% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£268/sq ft) was about 15.3% below the postcode norm. At 215 m² the property is well over the postcode median (127 m² across 16 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. On the market in August 2014 and unlisted since — roughly 12 years. One historical planning record sits against the property in 2011.
17 Blackberry Lane ranks among the most efficient homes in the postcode for energy use.
Extension: Single storey · Front of property
FIRST FLOOR EXTENSION TO FRONT, ATTACHED GARAGE TO FRONT AND CONVERSION OF EXISTING INTEGRAL GARAGE TO HABITABLE ACCOMMODATION
17 Blackberry Lane valuation sits well clear of the typical sold price in this postcode.
£830,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 3 years.
£620,000
Growth on file: 7.2% per year over 3 years.
17 Blackberry Lane outperforms the street on epc rating by a wide margin.
Price per m²
£2,884
Street avg £4,162
Floor Area
215 m²
Street avg 132 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Telegraph Lane — bus stop.

Daytime· 07:00 – 23:00
48.6dB

Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
More low energy lighting installed
Hot water efficiency improved
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Roof insulation improved
Floor insulation added or improved
More low energy lighting installed
Solar PV panels (45 kWp) and Solar water heating installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
18 August 2014Most recent
£620,000
+25.3%over 3 years20 May 2011
£495,000
Median price across the last 5 sales in GU34 5BN: £600,000 (2025–2018).
Street avg 6 rooms
CO₂ Emissions
1.4 t/year
Street avg 5.1 t/year
GU34 5EP
Closest school
1.9 km
Four Marks Church of England Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
40.0dB
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