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Get started12 Knowle Lane is a four-bedroom semi-detached house in Horton Heath, Eastleigh, Eastleigh (SO50 7DX). It has a recorded floor area of 176 m² (around 1894 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2020) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump. Other recorded features include notable views, attached land beyond the plot and a basement. Period features are noted in the property record. Records show the property has been extended at some point in its history.
Sale prices here have outpaced Eastleigh HPI: 3.2% per year against 0% for the wider region. Today's modelled estimate of £613,000 is 11.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£289/sq ft) was about 44% above the typical sold price in the postcode. At 176 m² the property is well over the postcode median (132 m² across 5 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a porch and a conservatory, meaningful when judging how the property has evolved. Sold November 2021 for £548,261. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
12 Knowle Lane's carbon output runs well above what efficient homes in the postcode produce.
12 Knowle Lane has an approved extension on the planning record.
Extension: Single storey · Front of property
Single storey front extension, open porch with pitched roof and addition of rooflight to side roof slope
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£613,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 17 years.
£548,261
Growth on file: 3.2% per year over 17 years.
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Detailed AI analysis
12 Knowle Lane outperforms the street on floor area by a wide margin.
Price per m²
£3,115
Street avg £3,753
Floor Area
176 m²
Street avg 125 m²
Habitable Rooms
6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
47.5dB

Conservatory and 2.3 metre high side boundary wall with number 11
26 November 2021Most recent
£548,261
+9.7%over 3 years29 June 2018
£500,000
+53.8%over 13 years13 May 2005
£325,000
Median price across the last 5 sales in SO50 7DX: £475,000 (2024–2018).
Mount Pleasant Cottage Knowle Lane Horton Heath Eastleigh
Sold Aug 2024
Rose Cottage Knowle Lane Horton Heath Eastleigh
Sold Jan 2021
13 Knowle Lane Horton Heath Eastleigh
Sold Nov 2019
Mount Pleasant Knowle Lane Horton Heath Eastleigh
Sold Aug 2019
11 Knowle Lane Horton Heath Eastleigh
Sold May 2014
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 6 rooms
CO₂ Emissions
7.6 t/year
Street avg 6.3 t/year
SO50 7EQ
Horton Heath Crossroads — bus stop.
Closest school
0.6 km
Fair Oak Infant School. 7 schools nearby.
Night-time· 23:00 – 07:00
39.0dB