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Get started1 Ashdown House is a semi-detached house in Guildford (GU1 3LL). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to 1996-2002. The latest certificate (March 2020) shows a C (score 73). The rating has held steady at C across 2 certificates since December 2010. Between certificates, lighting went from Average to Very Good. At 53 m² this is the 2nd smallest of 6 units on EPC record in the building, where floor areas span 45–58 m².
Sale prices here have outpaced Guildford HPI: 7.7% per year against 0% for the wider region. Today's modelled estimate of £332,000 is 12.6% below the 2016 sale of £380,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£666/sq ft) was about 97.8% above the typical sold price in the postcode. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. The record references conservation-area consent, which constrain future alterations. Last changed hands 10 years ago, in October 2016.
Planning history at 1 Ashdown House is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
G1 - Row of Sycamore trees (by bin store) - Reduce down to 2.5m., T2 - 3 Stemmed Robinia - Remove deadwood, crown lift to 5m & prune to give 1.5m clearance of building (Waterden Conservation Area)
Sale price has grown by over 3x since 1998.
£332,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.7% per year over 18 years.
£380,000
Growth on file: 7.7% per year over 18 years.
1 Ashdown House outperforms the street on price per m² by a wide margin.
Price per m²
£7,170
Street avg £4,778
Floor Area
53 m²
Street avg 48 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
27/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Waterden Road — bus stop.

Daytime· 07:00 – 23:00
49.0dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Floor insulation added or improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
T1 (Cherry) - fell. T2 (Cherry) - reduce crown by 2.5 metres and reduce lateral growth by 2.5 metres. Crown lift to 3 metres over footpath to leave a finished height of 3.5 metres with radial spread of 3 metres. T3 (Cherry) - reduce crown height by 2 metres and side by 2 metres to shape. crown lift to 3 metres over footpath to leave a finished height of 3.5 metres with radial spread of 3 metres. T4 (Norway Maple) - reduce down to pollard points at 4.5 metres.T5 (Silver Maple) - crown lift to 3 metres.T6 (False Acacia) - Crown lift to 5 metres over the road and 3 metres over footpath.T7 (Multi stemmed False Acacia) - prune back over roof by 2 metres and remove epigrowth form stem adjacent to roof. Crown lift to 5 metres over the road and 3 metres over the footpath to leave a finished radial spread of 2.5 metres.G1 (group surrounding bin store - Sycamore: pollard to previous pruning point. Laurel, Holly and Beech: reduce height by 1.5 metres. Cherry: prune away from light by 1 metre and crown lift over parking bay by 3.5 metres. (Waterden Road Conservation Area).
1 more application for this property
Join to see all planning history.
14 October 2016Most recent
£380,000
+230.4%over 17 years23 April 1999
£115,000
+15.0%over 7 months30 September 1998
£100,000
Median price across the last 5 sales in GU1 3LL: £345,000 (2025–2022).
Street avg 2 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.8 t/year
Closest school
0.4 km
Holy Trinity, Guildford, CofE Aided Junior School. 20 schools nearby.
Night-time· 23:00 – 07:00
40.2dB
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