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Get started1a, Southfield Road, Downley, High Wycombe, HP13 5JZ
Extendable
About 1a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
1a is a four-bedroom detached house in Downley, High Wycombe, High Wycombe (HP13 5JZ). It has a recorded floor area of 168 m² (around 1808 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (April 2013) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since June 2011. Between certificates, roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 76). The latest certificate is from April 2013, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 3.5% per year against 0% for the wider region. Today's modelled estimate of £637,000 sits 53.5% above the 2013 sale of £415,000. On a £-per-square-foot basis, the last sale (£229/sq ft) was about 24.7% below the postcode norm. At 168 m² the property is well over the postcode median (84 m² across 17 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 13 years ago, in November 2013.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- EnsuiteYes
Building
- Extension potentialPossible
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
1a'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This certificate is over 10 years old and is no longer valid.Expired 18 Apr 2023
Planning history
Applications and permits filed against 1a, Southfield Road, Downley, High Wycombe, HP13 5JZ, sourced from the PlanIt planning register.
- Sept 2009ExtensionFullGranted
Householder application for front and rear first floor roof extensions and enlargement of existing dormer windows
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
1a valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£637,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 12 years.
Last sold (2013)
£415,000
Growth on file: 3.5% per year over 12 years.
Sales timeline
Versus other Southfield Road homes
Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.
Floor Area for 1a runs comfortably ahead of the street norm.
Price per m²
£2,470
Street avg £3,887
Floor Area
168 m²
Street avg 86 m²
Habitable Rooms
6 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the High Wycombe district page.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Southfield Road — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HP13 5JZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
50.9dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 46 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 1a, Southfield Road, Downley, High Wycombe, HP13 5JZ. Each answer is also embedded as structured data for search engines.