29 Allanson Road, Marlow, SL7 1LE
About 29 Allanson Road
29 Allanson Road is a three-bedroom semi-detached house in Marlow (SL7 1LE). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (June 2022) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since December 2008. Between certificates, wall efficiency dropped from Good to Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 85), a 2-band jump.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Across 2007–2022, sale prices on this property compounded at 3.9% per year. Today's modelled estimate of £577,000 is 11.3% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£587/sq ft) was about 44.8% above the typical sold price in the postcode. Last sale on file: £518,500 in October 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 29 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
- Bedrooms3
- Bathrooms2
- Dining roomYes
Outside
- Private gardenSide
- GarageDouble
Building
- Heating systemGas
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Planning history
Council records include a two-storey side extension at 29 Allanson Road.
- Mar 2023PorchFullIn report
Householder application for construction of front porch and single storey side infill extension with associated internal and external alterations including erection of gate and fence to existing brick wall. Replacement flat roof and external alterations to existing garage
Extension- Documents
- 8 docs on file
- Reference
- 23/05269/FUL
- Mar 2006ExtensionFullIn report
Extension: Two storey · Side of property
Construction of two storey extension to east elevation.
- Documents
- 6 docs on file
- Reference
- 06/05105/FUL
What's in 29 Allanson Road, Marlow, SL7 1LE's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£577,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 16 years.
£518,500
Growth on file: 3.9% per year over 16 years.
Sales timeline
27 October 2022Most recent
£518,500
+83.9%over 12 years30 August 2010
£282,000
-1.7%over 3 years11 April 2007
£287,000
Median price across the last 5 sales in SL7 1LE: £655,000 (2025–2021).
Everything we know about 29 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
29 Allanson Road is notably below the street on epc rating.
Price per m²
£6,323
Street avg £5,473
Floor Area
82 m²
Street avg 100 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 3.0 t/year
Similar properties nearby
1 Bisham Court, Bisham
SL7 1SD
1 Allanson Road
SL7 1LE
1 Churchill Drive
SL7 1TN
1 Beaufort Close
SL7 1EN
1 Dedmere Rise
SL7 1PQ
1 Claremont Gardens
SL7 1BP
1 Archers Court, Station Road
SL7 1PT
1 Bisham Village, Marlow Road, Bisham
SL7 1RR
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