18 Barnhill Gardens, Marlow, SL7 3HB
About 18 Barnhill Gardens
18 Barnhill Gardens is a three-bedroom semi-detached house in Marlow (SL7 3HB). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (September 2012) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 72), a 2-band jump. The latest certificate is from September 2012, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
Today's modelled estimate of £584,000 sits 68.8% above the 2013 sale of £346,000. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. 13 years since the last transfer (February 2013).
Know exactly what you're buying at 18 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
What this property has
Inside
- Bedrooms3
- Dining roomYes
Outside
- Private gardenSouth-facing
- GarageYes
Building
- Extension potentialPossible
Energy performance
18 Barnhill Gardens's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Sept 2022
EPC Rating
Planning history
18 Barnhill Gardens has 2 separate extension applications on the council record.
- Mar 2023ExtensionFullIn report
Extension: Part single, part two storey
Householder application for construction of part single, part two storey front, side and rear extensions (part retrospective)
Retrospective- Documents
- 13 docs on file
- Reference
- 23/05267/FUL
- Sept 2021ConditionsIn report
Variation of condition 2 (materials) and 3 (plans) attached to 18/07332/FUL (Householder application for erection of part single storey/part two storey front/side and rear extension) to allow for use of rendered blockwork and side and rear elevations
- Documents
- 8 docs on file
- Reference
- 21/06904/VCDN
We flagged 1 thing worth checking at 18 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
18 Barnhill Gardens valuation sits well clear of the typical sold price in this postcode.
£584,000
Modelled from EPC, postcode comparables.
£346,000
Recorded with HM Land Registry.
Sales timeline
1 February 2013Most recent
£346,000
Median price across the last 5 sales in SL7 3HB: £693,000 (2025–2021).
Nearby sales in SL7 3HB
Everything we know about 18 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
18 Barnhill Gardens is notably below the street on price per m².
Price per m²
£3,327
Street avg £4,804
Floor Area
104 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
6.8 t/year
Street avg 5.2 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