1 Downleaze, Portishead, Bristol, BS20 8BJ
About 1 Downleaze
1 Downleaze is a four-bedroom detached house in Portishead, Bristol, Bristol (BS20 8BJ). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (July 2017) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump. Our model identifies extension potential, subject to local planning policy.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £525,000 is 44.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£309/sq ft) was about 31% above the typical sold price in the postcode. Last sold in December 2017, so it's been off the market for around 8 years.
Know exactly what you're buying at 1 Downleaze
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
Outside
- Private gardenYes
- GarageYes
Building
- Extension potentialPossible
Energy performance
1 Downleaze sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
- Aug 2018ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension and first floor dormer extension to front and rear elevation.
- Agent
- Cryer & Coe
- Documents
- 13 docs on file
- Reference
- 18/P/3605/FUH
What's in 1 Downleaze, Portishead, Bristol, BS20 8BJ's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
1 Downleaze valuation sits well clear of the typical sold price in this postcode.
£525,000
Modelled from EPC, postcode comparables.
£362,500
Recorded with HM Land Registry.
Sales timeline
19 December 2017Most recent
£362,500
Median price across the last 5 sales in BS20 8BJ: £425,000 (2023–2020).
Nearby sales in BS20 8BJ
11 Downleaze, Portishead, Bristol, BS20 8BJ
Sold Aug 2023
£415,5006 Downleaze, Portishead, Bristol, BS20 8BJ
Sold Jul 2023
£486,50012 Downleaze, Portishead, Bristol, BS20 8BJ
Sold Aug 2022
£445,00016 Downleaze, Portishead, Bristol, BS20 8BJ
Sold Apr 2021
£315,00010 Downleaze, Portishead, Bristol, BS20 8BJ
Sold Jan 2020
£425,000
Everything we know about 1 Downleaze, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Downleaze homes
On epc rating, 1 Downleaze runs well behind the street norm.
Price per m²
£3,326
Street avg £3,312
Floor Area
109 m²
Street avg 117 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.9 t/year
Street avg 4.0 t/year
Similar properties nearby
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BS20 8BY
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BS20 8HQ
1 Brackenwood Gardens, Portishead
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1 Denny Close, Portishead
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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
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
High Down Schools — bus stop.
Closest school
0.2 km
High Down Infant School. 7 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
46.1dB

Night-time· 23:00 – 07:00
36.3dB