3a, Plomer Green Avenue, Downley, High Wycombe, HP13 5LN
About 3a
3a is a four-bedroom detached house in Downley, High Wycombe, High Wycombe (HP13 5LN). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (October 2018) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, window efficiency went from Average to Good and lighting went from Average to Good. The recommended improvements would push it to C (score 78). Other recorded features include attached land beyond the plot. Records show the property has been extended at some point in its history.
At 130 m² the property is well over the postcode median (83 m² across 9 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2005. Past consents include an extension, meaningful when judging how the property has evolved. Across 2002–2024, sale prices on this property compounded at 3.8% per year. On a £-per-square-foot basis, the last sale (£402/sq ft) was about 55.5% above the typical sold price in the postcode. Sold November 2024 for £562,000.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
- GarageYes
- LandYes
Building
- Previously extendedYes
- RefurbishedYes
Everything you need to know about 3a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Loft insulation upgraded to recommended levels
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
3a has an approved single-storey rear extension on the planning record.
1 application on record at 3a, Plomer Green Avenue, Downley, High Wycombe, HP13 5LN
- Jan 2005ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Construction of single storey rear extension
- Documents
- 5 docs on file
- Reference
- 04/08111/FUL
Unlock 3a, Plomer Green Avenue, Downley, High Wycombe, HP13 5LN's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 11 notable nearby
- The 5 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 3a was the highest on Land Registry record across the postcode.
£595,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 22 years.
£562,000
Growth on file: 3.8% per year over 22 years.
Sales timeline
8 November 2024Most recent
£562,000
+131.8%over 22 years9 July 2002
£242,500
Median price across the last 5 sales in HP13 5LN: £335,000 (2020–2006).
Nearby sales in HP13 5LN
5 Plomer Green Avenue, Downley, High Wycombe, HP13 5LN
Sold Mar 2020
£350,0001 Plomer Green Avenue, Downley, High Wycombe, HP13 5LN
Sold Mar 2019
£425,00016a, Plomer Green Avenue, Downley, High Wycombe, HP13 5LN
Sold Jul 2010
£335,0002 Plomer Green Avenue, Downley, High Wycombe, HP13 5LN
Sold Sept 2006
£229,9502b, Plomer Green Avenue, Downley, High Wycombe, HP13 5LN
Sold Apr 2006
£305,000
Versus other Plomer Green Avenue homes
3a is notably below the street on years held.
Price per m²
£4,323
Street avg £3,581
Floor Area
130 m²
Street avg 81 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
5.2 t/year
Street avg 3.2 t/year
Everything you need to know about 3a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Plomer Green Avenue — bus stop.
Closest school
0.5 km
The Downley School. 12 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.0dB

Night-time· 23:00 – 07:00
38.3dB






