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Get started3 Ashdown House is a two-bedroom semi-detached house in Guildford (GU1 3LL). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1983-1990. At 45 m² this is the smallest unit on EPC record across the building (45–58 m²). The latest certificate (November 2019) shows a C (score 76), near the top of the C band. Earlier certificates rated it B (June 2010); the latest reading is one band lower.
Sale prices here have outpaced Guildford HPI: 3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£712/sq ft) was about 126% above the typical sold price in the postcode. A recent sale: £345,000 in February 2025. 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. At 45 m² it's 18.2% smaller than the typical home in the postcode (55 m² median across 21 EPCs).
3 Ashdown House's carbon output is low for the local stock.
Planning history at 3 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)
3 Ashdown House valuation sits well clear of the typical sold price in this postcode.
£355,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.0% per year over 14 years.
£345,000
Growth on file: 3.0% per year over 14 years.
On price per m², 3 Ashdown House stands well clear of the street.
Price per m²
£7,667
Street avg £4,729
Floor Area
45 m²
Street avg 49 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
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.
21 February 2025Most recent
£345,000
+50.0%over 13 years20 June 2011
£230,000
Median price across the last 5 sales in GU1 3LL: £345,000 (2022–2021).
Street avg 2 rooms
CO₂ Emissions
1.3 t/year
Street avg 2.8 t/year
GU1 3NB
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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