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21 Sion Road, Bristol, BS3 3BD

3 sales on record
Property type
End terrace
Floor 00
Bedrooms
2
Bathroom
1
Floor area
41 m²
441 sq ft
Energy rating
C
Score 71
Council tax
Band A
Tenure
Social Rental
Overview

About 21 Sion Road

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

21 Sion Road is a two-bedroom end-of-terrace house in Bristol (BS3 3BD). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1900-1929 and council tax band A. At 41 m² this is the 2nd smallest of 35 units on EPC record in the building, where floor areas span 40–127 m². The building's EPC ratings span E to C, with this unit at the top. Records show the property has been extended at some point in its history. The latest certificate (July 2023) shows a C (score 71). The rating has held steady at C across 4 certificates since April 2009. Between certificates, wall efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

At 41 m² it sits well below the postcode median (72 m² across 34 EPCs), making it one of the more compact homes locally. Across 1998–2019, sale prices on this property compounded at 8.9% per year. Today's modelled estimate of £385,000 is 28.3% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£680/sq ft) was about 198.4% above the typical sold price in the postcode. Most recent transfer: October 2019 at £300,000.

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

  • Bedrooms2
  • Bathrooms1
  • Dining roomYes

Outside

  • Private gardenYes

Building

  • Heating systemGas
  • Previously extendedYes
Before you decide

Everything you need to know about 21 Sion Road

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

Signs of HMO activity in the area

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
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 4)
Jul 2023

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
1.6 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

Jun 2010from Apr 2009
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Windows
AverageGood

Window efficiency improved

May 2013from Jun 2010
Heating Controls
FullProg + Stat

Heating controls changed

Hot Water
Very GoodGood

Hot water efficiency decreased

Low Energy Lighting
100%22%

Low energy lighting percentage decreased

Jul 2023from May 2013
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Walls
Very PoorPoor

Wall insulation improved

Low Energy Lighting
22%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraGround Floor FlatEPC CPre-1919 buildSolid (non-cavity) walls

Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £955 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Sion Road, Bristol, BS3 3BD, sourced from the PlanIt planning register.

21 Sion Road has no planning applications on record.

9

But the area is active

9 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.

Price for 21 Sion Road has grown more than fourfold since the 1998 starting point.

Current estimate

£385,000

Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 21 years.

See how we calculated this
Last sold (2019)

£300,000

Growth on file: 8.9% per year over 21 years.

Sales timeline

  1. 6 October 2019Most recent

    £300,000

    +79.6%over 5 years
  2. 29 November 2013

    £167,000

    +234.3%over 15 years
  3. 30 October 1998

    £49,950

Median price across the last 5 sales in BS3 3BD: £380,000 (2025–2023).

On the street

Versus other Sion Road homes

Four headline reads against 12 similar flats on this street, drawn from the latest EPC and Land Registry data.

21 Sion Road is notably below the street on epc rating.

Price per m²

£7,317

Street avg £3,754

Strongly above

Floor Area

41 m²

Street avg 44 m²

Below

Habitable Rooms

2 rooms

Street avg 2 rooms

On par

CO₂ Emissions

1.6 t/year

Street avg 1.3 t/year

Strongly below
Before you decide

Everything you need to know about 21 Sion Road

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

Signs of HMO activity in the area

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
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.

Rail-style transport is unusually close for this postcode.

Crime

4/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Sion Road — bus stop.

Closest school

0.2 km

Compass Point Primary School. 35 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 BS3 3BD from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for BS3 3BD

Daytime· 07:00 – 23:00

52.4dB

Low
Night-time road noise heatmap for BS3 3BD

Night-time· 23:00 – 07:00

42.1dB

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 21 Sion Road, Bristol, BS3 3BD. Each answer is also embedded as structured data for search engines.