77 Sea Mills Lane, Bristol, BS9 1DR
About 77 Sea Mills Lane
77 Sea Mills Lane is a detached house in Bristol (BS9 1DR). It has a recorded floor area of 178 m² (around 1916 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (June 2016) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2016. The recommended improvements would lift it to B (score 81), a 2-band jump.
Untraded for 27 years, with the last transfer in October 1999. Across 1997–1999, sale prices on this property compounded at 28.2% per year. Today's modelled estimate of £654,000 sits 273.7% above the 1999 sale of £175,000. On a £-per-square-foot basis, the last sale (£91/sq ft) was about 48% below the postcode norm. 4 planning records sit against the property, 1 approved, 3 refused.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Jun 2026
EPC Rating
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Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
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Planning history
4 applications on record at 77 Sea Mills Lane, Bristol, BS9 1DR
- Oct 2003FullOutcome in report
Removal of existing bungalow roof. Raise external walls and construct new 'gable ended' roof to create residential accommodation at first floor, including the provision of balconies in each gable.
- Reference
- 03/03281/H
- More recent applications — locked
- New BuildSept 2013Decision
- New BuildApr 2013Decision
+ 1 more application in the report
Unlock 77 Sea Mills Lane, Bristol, BS9 1DR's full planning history
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- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 1 notable nearby
- The 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
77 Sea Mills Lane's modelled value sits at over four times its earliest registered sale price (1997).
£654,000
Modelled from EPC, postcode comparables and a sale-price growth of 28.2% per year over 3 years.
£175,000
Growth on file: 28.2% per year over 3 years.
Sales timeline
14 October 1999Most recent
£175,000
+96.6%over 2 years24 January 1997
£89,000
Median price across the last 5 sales in BS9 1DR: £514,000 (2025–2017).
Nearby sales in BS9 1DR
Versus other Sea Mills Lane homes
On price per m², 77 Sea Mills Lane runs well behind the street norm.
Price per m²
£983
Street avg £3,156
Floor Area
178 m²
Street avg 156 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.9 t/year
Street avg 5.3 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Riverleaze — bus stop.
Closest school
0.4 km
Sea Mills Primary School. 20 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.2dB

Night-time· 23:00 – 07:00
44.5dB







