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18 Commonside, Downley, High Wycombe, HP13 5XG

1 planning record

Estimated value

£743,000

  • Since the 2015 sale (£596,000)+25%
  • Against HP13 5XG's recent median (£405,016)+83%

Newest record on this page: March 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Semi-detached
Bedrooms
5
Floor area
148 m²
1593 sq ft
Energy rating
D
Score 66
Council tax
Band F
Tenure
Owner Occupied
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£743,000

  • Against its 2015 sale (£596,000)+25%
  • Against HP13 5XG's recent median (£405,016)+83%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 18 Commonside is modelled from its 148 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in HP13 5XG. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    148 m² from the EPC lodged in May 2015

  • Sales of this home

    2 sales recorded, the latest in 2015

  • Recent sales in HP13 5XG

    5 sales, median £405,016 (2026–2022)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: March 2026Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 applicationFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

18 Commonside valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 8 October 2015Most recent

    £596,000

    +32.4%over 7 years

  2. 7 December 2007

    £450,000

Median price across the last 5 sales in HP13 5XG: £405,016 (2026–2022).

Risks

What this page doesn't show

2 potential issues have already been flagged for 18 Commonside, Downley, High Wycombe, HP13 5XG. The detail, evidence and what to ask about it are in the Risks Report.
  • Signs of HMO activity in the areaIn report
  • Larger development activity nearbyIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 18 Commonside

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

18 Commonside is a five-bedroom semi-detached house in Downley, High Wycombe, High Wycombe (HP13 5XG). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (May 2015) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). The latest certificate is from May 2015, so improvements made since then won't be reflected.

At 148 m² the property is well over the postcode median (69 m² across 36 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. One planning record on file: an extension approved in 2004. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 11 years ago, in October 2015. Across 2007–2015, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £743,000 is 24.7% above the 2015 sale price.

Specifications

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

  • Bedrooms5
  • Dining roomYes
  • EnsuiteYes

Outside

  • Private gardenYes
  • GarageYes
Before you decide

Everything you need to know about 18 Commonside

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

18 Commonside's EPC is over a decade old — improvements since won't be reflected.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 05 May 2025

Current Certificate
May 2015

EPC Rating

A
B
C
D
D66
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.1 t/year
Occupancy
Owner Occupied

Certificate validity

Expired on 5 May 2025

New assessment needed to sell or let
Planning

Planning history

Applications and permits filed against 18 Commonside, Downley, High Wycombe, HP13 5XG, sourced from the PlanIt planning register.

Council records include a two-storey rear extension at 18 Commonside.

1 application on record at 18 Commonside, Downley, High Wycombe, HP13 5XG

1decisions1extensions6documents11nearby
  1. Dec 2004
    ExtensionFull
    Outcome in report

    Extension: Two storey · Rear of property

    Construction of two storey rear extension

    Documents
    6 docs on file
    Reference
    04/07776/FUL
    Full record in report

Unlock 18 Commonside, Downley, High Wycombe, HP13 5XG'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 6 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

On the street

Versus other Commonside homes

Four headline reads against 36 similar houses on this street, drawn from the latest EPC and Land Registry data.

18 Commonside outperforms the street on floor area by a wide margin.

Price per m²

£4,027

Street avg £4,995

Below

Floor Area

148 m²

Street avg 81 m²

Strongly above

Habitable Rooms

8 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

5.1 t/year

Street avg 4.5 t/year

Below
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.
Full High Wycombe report

Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.

Crime

223/mo

Falling year-on-year across the wider district.

Nearest stop

0.0 km

Commonside — bus stop.

Closest school

0.6 km

The Downley School. 12 schools nearby.

Nearest schools

  • The Downley SchoolPrimary553m
  • The Disraeli SchoolPrimary1.1km
  • Millbrook Combined SchoolPrimary1.4km
  • Oakridge SchoolPrimary2.1km

Nearest stops

  • CommonsideBus stop25m
  • Memorial HallBus stop253m
  • Littleworth RoadBus stop299m
  • Taylors TurnBus stop421m

Most reported crime locally

  • Violence & Sexual Offences1,380 reports41%
  • Anti-social Behaviour443 reports13%
  • Other Theft275 reports8%
  • Criminal Damage & Arson257 reports8%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around HP13 5XG from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for HP13 5XG

Daytime· 07:00 – 23:00

44.9dB

Low
Night-time road noise heatmap for HP13 5XG

Night-time· 23:00 – 07:00

36.4dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centurySemi-Detached HouseEPC DExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,220 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£620k

1 Cumbrian Way

HP13 5RY

5 bed2 bath
£746k

1 Coronation Cottages, The Common, Downley

HP13 5YQ

4 bed2 bath
£551k

1 Court Close

HP13 5JF

4 bed2 bath
£682k

1 Brands Hill Avenue

HP13 5PZ

3 bed1 bath
£618k

1 Commonside, Downley

HP13 5XG

3 bed1 bath
£575k

1 Beaconsfield Avenue

HP13 5EN

3 bed2 bath
£524k

1 Curlew Close

HP13 5JY

3 bed2 bath
£426k

1 Brunel Road

HP13 5SR

3 bed

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 18 Commonside is modelled from its 148 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in HP13 5XG. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 18 Commonside. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 18 Commonside was lodged in May 2015 at band D and expired in May 2025, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 18 Commonside. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 15 months, which places each incident at an approximate point. The 12 schools and 30 stops listed are measured in a straight line from HP13 5XG, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
18 Commonside is in council tax band F. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 18 Commonside, Downley, High Wycombe, HP13 5XG. Each answer is also embedded as structured data for search engines.

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