9 Barnhill Gardens, Marlow, SL7 3HB
About 9 Barnhill Gardens
9 Barnhill Gardens is a semi-detached house in Marlow (SL7 3HB). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (April 2016) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 85), a 3-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2017. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Today's modelled estimate of £641,000 is 34.1% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£529/sq ft) was about 53.9% above the typical sold price in the postcode. Last changed hands 10 years ago, in July 2016. At 84 m² it's 21.9% smaller than the typical home in the postcode (108 m² median across 22 EPCs).
Know exactly what you're buying at 9 Barnhill Gardens
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
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This certificate is over 10 years old and is no longer valid.Expired 03 Apr 2026
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Jan 2017DemolitionFullIn report
Extension: Single storey · Side and rear of property
Householder application for demolition of existing garage and rear extension and construction of single storey side/rear extension, new retaining wall and steps to rear, insulated render system to existing external house walls and surfacing of existing front parking area with block pavors
Extension- Documents
- 6 docs on file
- Reference
- 16/08168/FUL
We flagged 1 thing worth checking at 9 Barnhill Gardens
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
9 Barnhill Gardens valuation sits well clear of the typical sold price in this postcode.
£641,000
Modelled from EPC, postcode comparables.
£478,000
Recorded with HM Land Registry.
Sales timeline
28 July 2016Most recent
£478,000
Median price across the last 5 sales in SL7 3HB: £693,000 (2025–2021).
Nearby sales in SL7 3HB
Everything we know about 9 Barnhill Gardens, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Barnhill Gardens homes
On floor area, 9 Barnhill Gardens runs well behind the street norm.
Price per m²
£5,690
Street avg £4,692
Floor Area
84 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.3 t/year
Street avg 5.3 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Seymour Park Road — bus stop.
Closest school
0.2 km
Marlow Church of England Infant School. 10 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
48.4dB

Night-time· 23:00 – 07:00
39.4dB