9 Allanson Road, Marlow, SL7 1LE
About 9 Allanson Road
9 Allanson Road is a four-bedroom end-of-terrace house in Marlow (SL7 1LE). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (November 2024) shows a C (score 76), near the top of the C band. When first surveyed in March 2012 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 86). Other recorded features include outbuildings.
At 114 m² the property is well over the postcode median (83 m² across 14 EPCs), placing it in the larger end of the local stock. A recent sale: £695,000 in March 2025. One planning record on file: an extension approved in 2020. Past consents include an extension, meaningful when judging how the property has evolved. Across 2012–2025, sale prices on this property compounded at 7.8% per year. On a £-per-square-foot basis, the last sale (£566/sq ft) was about 53.2% above the typical sold price in the postcode.
Know exactly what you're buying at 9 Allanson Road
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
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
- CloakroomYes
- StudyYes
Outside
- OutbuildingsYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Cavity wall insulation installed
Windows upgraded to triple glazing
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
Council records include a part-single-part-two-storey rear extension at 9 Allanson Road.
- Jul 2020ExtensionFullIn report
Extension: Part single, part two storey · Rear of property
Householder application for construction of part single, part two storey rear extensions and associated external alterations
- Documents
- 9 docs on file
- Reference
- 20/05851/FUL
What's in 9 Allanson Road, Marlow, SL7 1LE's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
9 Allanson Road has more than doubled in price since the earliest registered sale in 2012.
£758,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 13 years.
£695,000
Growth on file: 7.8% per year over 13 years.
Sales timeline
28 March 2025Most recent
£695,000
+39.0%over 6 years20 September 2018
£500,000
+85.2%over 6 years16 August 2012
£270,000
Median price across the last 5 sales in SL7 1LE: £605,000 (2024–2021).
Everything we know about 9 Allanson Road, 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 Allanson Road homes
9 Allanson Road is notably below the street on years held.
Price per m²
£6,096
Street avg £5,498
Floor Area
114 m²
Street avg 97 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.1 t/year
Similar properties nearby
1 Carlton Place
SL7 1AL
1 Davis Close
SL7 1SY
1 Beaufort Close
SL7 1EN
1 Dedmere Rise
SL7 1PQ
1 Claremont Gardens
SL7 1BP
1 Allanson Road
SL7 1LE
1 Archers Court, Station Road
SL7 1PT
1 Bisham Court, Bisham
SL7 1SD
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Bobmore Lane — bus stop.
Closest school
0.4 km
Great Marlow School. 11 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
55.9dB

Night-time· 23:00 – 07:00
47.2dB