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20 Coniston Avenue, Bristol, BS9 3SA

Extendable3 sales on record1 planning record

Estimated value

£1,067,000

  • Since the 2022 sale (£1,049,000)+2%
  • Against BS9 3SA's recent median (£860,000)+24%

Newest record on this page: December 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Detached
Bedrooms
5
Bathrooms
3
Floor area
172 m²
1851 sq ft
Energy rating
D
Score 60
Council tax
Band F
Tenure
Owner Occupied
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£1,067,000

  • Against its 2022 sale (£1,049,000)+2%
  • Against BS9 3SA's recent median (£860,000)+24%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 20 Coniston Avenue is modelled from its 172 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in BS9 3SA. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    172 m² from the EPC lodged in March 2022

  • Sales of this home

    3 sales recorded, the latest in 2022

  • Recent sales in BS9 3SA

    5 sales, median £860,000 (2025–2022)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: December 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 applicationFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

20 Coniston Avenue has more than tripled in price since its earliest registered sale in 2002.

Sales timeline

  1. 13 October 2022Most recent

    £1,049,000

    +125.6%over 13 years

  2. 30 September 2009

    £465,000

    +58.2%over 7 years

  3. 18 July 2002

    £294,000

Median price across the last 5 sales in BS9 3SA: £860,000 (2025–2022).

Risks

What this page doesn't show

Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks Report.
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

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Overview

About 20 Coniston Avenue

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

20 Coniston Avenue is a five-bedroom detached house in Bristol (BS9 3SA). It has a recorded floor area of 172 m² (around 1851 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (March 2022) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in February 2009 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Poor to Good; while roof efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 79). Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.

Across 2002–2022, sale prices on this property compounded at 6.5% per year. On a £-per-square-foot basis, the last sale (£567/sq ft) was about 86.1% above the typical sold price in the postcode. Most recent transfer: October 2022 at £1,049,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2014.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms5
  • Bathrooms3

Outside

  • GarageYes
  • Cul-de-sacYes

Building

  • Extension potentialPossible
Before you decide

Everything you need to know about 20 Coniston Avenue

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

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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.

20 Coniston Avenue's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)
Mar 2022

EPC Rating

A
B
C
D
D60
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
7.9 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 7 March 2032

5 years remaining

Property Improvements

Changes detected from historical EPC data

Mar 2022from Feb 2009
EPC improved fromE50toD60
Hot Water
Very GoodGood

Hot water efficiency decreased

Windows
Partial DoubleMostly Double

Windows upgraded, improving insulation

Low Energy Lighting
14%60%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 20 Coniston Avenue, Bristol, BS9 3SA, sourced from the PlanIt planning register.

1 application on record at 20 Coniston Avenue, Bristol, BS9 3SA

1decisions1extensions9documents3nearby
  1. Nov 2014
    Loft ConversionOutline
    Outcome in report

    Certificate of Lawfulness - proposed loft conversion with side dormer.

    Council
    Henleaze, Stoke Bishop, Westbury On Trym
    Documents
    9 docs on file
    Reference
    14/04896/CP
    Full record in report

Unlock 20 Coniston Avenue, Bristol, BS9 3SA's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full, plus 3 notable nearby
  • The 9 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Coniston Avenue homes

Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.

20 Coniston Avenue is notably below the street on co₂ emissions.

Price per m²

£6,099

Street avg £4,388

Above

Floor Area

172 m²

Street avg 151 m²

Above

Habitable Rooms

7 rooms

Street avg 7 rooms

Above

CO₂ Emissions

7.9 t/year

Street avg 6.3 t/year

Strongly below
Area

The neighbourhood at a glance

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

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

Crime

164/mo

Steady year-on-year across the wider district.

Nearest stop

0.3 km

Red House Lane — bus stop.

Closest school

0.6 km

Elmlea Junior School. 24 schools nearby.

Nearest schools

  • Elmlea Junior SchoolPrimary621m
  • Elmlea Infant SchoolPrimary673m
  • Stoke Bishop Church of England Primary SchoolPrimary977m
  • E-Act St Ursula's AcademyPrimary1.0km

Nearest stops

  • Red House LaneBus stop270m
  • Stoke LaneBus stop467m
  • Rayleigh RoadBus stop550m
  • Downs Cote AvenueBus stop588m

Most reported crime locally

  • Violence & Sexual Offences670 reports26%
  • Shoplifting463 reports18%
  • Anti-social Behaviour363 reports14%
  • Criminal Damage & Arson213 reports8%

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 BS9 3SA from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for BS9 3SA

Daytime· 07:00 – 23:00

48.0dB

Low
Night-time road noise heatmap for BS9 3SA

Night-time· 23:00 – 07:00

38.8dB

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

Get a survey for this property

Level 3 Building Survey

Early 20th centuryDetached HouseEPC DSolid (non-cavity) walls

Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £1,645 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£960k

1 Downs Cote Drive

BS9 3TP

4 bed2 bath
£920k

1 Downs Cote Avenue

BS9 3JX

4 bed2 bath
£919k

1 Falcondale Road

BS9 3JS

4 bed2 bath
£793k

1 Briarwood

BS9 3SS

4 bed
£554k

1 Beverley Gardens

BS9 3PR

3 bed1 bath
£520k

1 Bellevue Cottages, Westbury On Trym

BS9 3AQ

3 bed
£874k

1 Downs Cote Park

BS9 3JT

£406k

1 Downs Road

BS9 3TX

3 bed1 bath

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 20 Coniston Avenue is modelled from its 172 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in BS9 3SA. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 3 sales are recorded for 20 Coniston Avenue. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 20 Coniston Avenue was lodged in March 2022 at band D and is valid until March 2032. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 20 Coniston Avenue. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 16 months, which places each incident at an approximate point. The 24 schools and 30 stops listed are measured in a straight line from BS9 3SA, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
20 Coniston Avenue is in council tax band F. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20 Coniston Avenue, Bristol, BS9 3SA. Each answer is also embedded as structured data for search engines.

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