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20a, Blackwell Avenue, Guildford, GU2 8LU

EPC B
Property type
Semi-detached
Floor area
67 m²
721 sq ft
Energy rating
B
Score 85
Tenure
Owner Occupied
Overview

About 20a

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

20a is a semi-detached house in Guildford (GU2 8LU). It has a recorded floor area of 67 m² (around 721 sq ft). The latest certificate (July 2020) returns a high B (score 85), putting the home a stone's throw from an A rating.

Today's modelled estimate of £349,000 is 13.8% below the 2024 sale of £405,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£562/sq ft) was about 83.7% above the typical sold price in the postcode. At 67 m² it's 26.4% smaller than the typical home in the postcode (91 m² median across 25 EPCs). Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). Sold August 2024 for £405,000.

Before you decide

Everything you need to know about 20a

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · every report is £14.99

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

20a's carbon output is low for the local stock.

EPC Rating

A
B
B85
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Very Good
Windows
Very Good
CO2 Emissions
1.0 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Semi-Detached HouseEPC B

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £595 · Includes VAT

Planning

Planning history

Applications and permits filed against 20a, Blackwell Avenue, Guildford, GU2 8LU, sourced from the PlanIt planning register.

20a has no planning applications on record.

36

But the area is active

36 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Current estimate

£349,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2024)

£405,000

Recorded with HM Land Registry.

Sales timeline

  1. 12 August 2024Most recent

    £405,000

Median price across the last 5 sales in GU2 8LU: £425,000 (2025–2021).

On the street

Versus other Blackwell Avenue homes

Four headline reads against 25 similar houses on this street, drawn from the latest EPC and Land Registry data.

20a outperforms the street on price per m² by a wide margin.

Price per m²

£6,045

Street avg £3,698

Strongly above

Floor Area

67 m²

Street avg 100 m²

Strongly below

CO₂ Emissions

1.0 t/year

Street avg 3.5 t/year

Strongly above

Years Held

2 years

Street avg 11 years

Strongly below
Before you decide

Everything you need to know about 20a

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£362k

1 Chapel House Close

GU2 8EE

£363k

1 Clover Road

GU2 8EY

£369k

1 Broomfield

GU2 8LQ

£327k

1 Coachlads Avenue

GU2 8FH

£392k

1 Blackwell Avenue

GU2 8LU

£393k

1 Fairfield Close

GU2 8NB

£408k

1 Dunmore

GU2 8LA

£412k

1 Barnwood Road

GU2 8JB

3 bed1 bath
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Guildford district page.
Full Guildford report

Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.

Crime

5/mo

Steady year-on-year across the wider district.

Nearest stop

0.0 km

Blackwell Avenue — bus stop.

Closest school

0.5 km

Guildford Grove Primary School. 13 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around GU2 8LU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for GU2 8LU

Daytime· 07:00 – 23:00

45.8dB

Low
Night-time road noise heatmap for GU2 8LU

Night-time· 23:00 – 07:00

37.2dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20a, Blackwell Avenue, Guildford, GU2 8LU. Each answer is also embedded as structured data for search engines.