12 Downsway, Guildford, GU1 2YA
About 12 Downsway
12 Downsway is a five-bedroom detached house in Guildford (GU1 2YA). It has a recorded floor area of 275 m² (around 2960 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (November 2014) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since April 2009. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good. The recommended improvements would lift it to C (score 72), a 2-band jump. The latest certificate is from November 2014, so improvements made since then won't be reflected.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 275 m² it's 27.3% larger than the typical home in the postcode (216 m² median across 7 EPCs). Across 2004–2014, sale prices on this property compounded at 2.8% per year. Today's modelled estimate of £1,558,000 is 32.6% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£397/sq ft) was about 15.6% below the postcode norm. Last sold in May 2014, so it's been off the market for around 12 years.
Know exactly what you're buying at 12 Downsway
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms5
Energy performance
12 Downsway's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Nov 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Loft insulation upgraded to recommended levels
Planning history
12 Downsway has an approved single-storey rear extension on the planning record.
- Sept 2019ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension.
- Agent
- Architectural Services and Planning
- Documents
- 4 docs on file
- Reference
- 19/P/01216
- Mar 2009New BuildOutlineIn report
Outline application for proposed sub-division of existing residential plot, and construction of detached two storey four bedroom dwelling with integral single garage.
- Documents
- 15 docs on file
- Reference
- 09/P/00188
We flagged 1 thing worth checking at 12 Downsway
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
12 Downsway valuation sits well clear of the typical sold price in this postcode.
£1,558,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 10 years.
£1,175,000
Growth on file: 2.8% per year over 10 years.
Sales timeline
8 May 2014Most recent
£1,175,000
+31.3%over 9 years15 July 2004
£895,000
Median price across the last 5 sales in GU1 2YA: £1,550,000 (2022–2015).
Nearby sales in GU1 2YA
Everything we know about 12 Downsway, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Downsway homes
12 Downsway outperforms the street on habitable rooms by a wide margin.
Price per m²
£4,273
Street avg £5,209
Floor Area
275 m²
Street avg 234 m²
Habitable Rooms
10 rooms
Street avg 8 rooms
CO₂ Emissions
12.0 t/year
Street avg 10.0 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
27/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Church — bus stop.
Closest school
0.9 km
Merrow Junior School. 11 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
46.3dB

Night-time· 23:00 – 07:00
39.2dB