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Get started9 Caselden Close is a four-bedroom semi-detached house in Addlestone (KT15 1PS). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (September 2025) shows a C (score 73). When first surveyed in March 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good; while roof efficiency dropped from Good to Average and lighting dropped from Very Good to Average. Other recorded features include outbuildings. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 7.6% per year against 0% for the wider region. Today's modelled estimate of £579,000 is 15.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£404/sq ft) was about 26.5% above the typical sold price in the postcode. At 115 m² the property is well over the postcode median (86 m² across 10 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). One planning record on file: a loft conversion approved in 2003. Past consents include a loft conversion, meaningful when judging how the property has evolved. Sold September 2021 for £500,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Certificate of proposed lawfulness for a loft conversion incorporating rear dormer (Additional plan received 13/10/03)
Price for 9 Caselden Close has grown more than fourfold since the 1996 starting point.
£579,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 25 years.
£500,000
Growth on file: 7.6% per year over 25 years.
On epc rating, 9 Caselden Close stands well clear of the street.
Price per m²
£4,348
Street avg £4,509
Floor Area
115 m²
Street avg 89 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Liberty Lane — bus stop.

Daytime· 07:00 – 23:00
53.4dB

Changes detected from historical EPC data
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
28 September 2021Most recent
£500,000
+35.1%over 7 years19 May 2014
£370,000
+23.3%over 2 years25 November 2011
£300,000
+284.6%over 15 years27 June 1996
£78,000
Median price across the last 5 sales in KT15 1PS: £517,500 (2025–2018).
CO₂ Emissions
2.9 t/year
Street avg 3.9 t/year
KT15 1PL
Closest school
0.2 km
Sayes Court School. 21 schools nearby.
Night-time· 23:00 – 07:00
46.2dB
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