Skip to content

9 Thornden, Cowfold, Horsham, RH13 8AG

4 sales on record3 planning records
Property type
Detached
Bedrooms
4
Bathrooms
3
Floor area
38 m²
409 sq ft
Energy rating
D
Score 57
Council tax
Band G
Tenure
Owner Occupied
Overview

About 9 Thornden

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

9 Thornden is a four-bedroom detached house in Cowfold, Horsham, Horsham (RH13 8AG). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (July 2023) shows a D (score 57), a step below the typical UK home. When first surveyed in December 2010 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Poor to Average and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 90), a 2-band jump. Main heating runs on oil. Other recorded features include a self-contained annexe.

At 38 m² it sits well below the postcode median (119 m² across 12 EPCs), making it one of the more compact homes locally. Last sold in November 2016, so it's been off the market for around 10 years. Across the public record there are 4 sales, relatively high churn for a single property. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 1996–2016, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £777,000 is 24.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£1,528/sq ft) was about 392.2% above the typical sold price in the postcode.

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

  • Bedrooms4
  • Bathrooms3
  • Open-plan layoutYes
  • Dining roomYes
  • FireplaceYes

Outside

  • Private gardenYes
  • DrivewayYes
Before you decide

Everything you need to know about 9 Thornden

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

Larger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

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.

Recommended upgrades on file would lift this property by multiple EPC bands.

Current Certificate(1 of 3)
Jul 2023

EPC Rating

A
B
C
D
D57
E
F
G
Main Heating
Electric & Gas
Main Fuel
Oil
Hot Water
Poor
Windows
Average
CO2 Emissions
3.1 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Dec 2018from Dec 2010
EPC improved fromF30toD55
Hot Water
PoorAverage

Hot water efficiency improved

Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

Roof Insulation
PartialInsulated

Roof insulation improved

Low Energy Lighting
16%100%

More low energy lighting installed

Jul 2023from Dec 2018
Heating Controls
FullProg + Stat

Heating controls changed

Hot Water
Main SystemMain (No Stat)

Hot water system changed

Walls
AverageGood

Wall insulation improved

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Mid 20th centuryDetached HouseEPC DNo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £1,220 · Includes VAT

Planning

Planning history

Applications and permits filed against 9 Thornden, Cowfold, Horsham, RH13 8AG, sourced from the PlanIt planning register.

9 Thornden has an approved side extension on the planning record.

3 applications on record at 9 Thornden, Cowfold, Horsham, RH13 8AG

3decisions3extensions11documents9nearby
  1. Dec 2003
    ConservatoryFull
    Outcome in report

    Extension: Two storey · Side of property

    2-storey side extension and conservatorySite: 9 Thornden Cowfold

    Extension
    Reference
    CF/45/03
    Full record in report
  2. More recent applications — locked
  3. ExtensionDecision
  4. ConservatoryDecision

Unlock 9 Thornden, Cowfold, Horsham, RH13 8AG's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (3 on record)
  • All 3 applications on this property in full, plus 9 notable nearby
  • The 11 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

9 Thornden has more than tripled in price since its earliest registered sale in 1996.

Current estimate

£777,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 21 years.

See how we calculated this
Last sold (2016)

£625,000

Growth on file: 6.4% per year over 21 years.

Sales timeline

  1. 18 November 2016Most recent

    £625,000

    +5.0%over 8 years
  2. 27 March 2008

    £595,000

    +138.0%over 6 years
  3. 27 September 2001

    £250,000

    +42.9%over 5 years
  4. 21 March 1996

    £175,000

Median price across the last 5 sales in RH13 8AG: £560,000 (2025–2021).

On the street

Versus other Thornden homes

Four headline reads against 12 similar houses on this street, drawn from the latest EPC and Land Registry data.

On price per m², 9 Thornden stands well clear of the street.

Price per m²

£16,447

Street avg £4,625

Strongly above

Floor Area

38 m²

Street avg 132 m²

Strongly below

Habitable Rooms

2 rooms

Street avg 5 rooms

Strongly below

CO₂ Emissions

3.1 t/year

Street avg 6.8 t/year

Strongly above
Before you decide

Everything you need to know about 9 Thornden

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

Larger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

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
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Horsham district page.

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

Crime

3/mo

Steady year-on-year across the wider district.

Nearest stop

0.4 km

Brook Farm — bus stop.

Closest school

0.3 km

St Peter's CofE (Aided) Primary School. 1 school nearby.

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 RH13 8AG from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for RH13 8AG

Daytime· 07:00 – 23:00

49.6dB

Low
Night-time road noise heatmap for RH13 8AG

Night-time· 23:00 – 07:00

43.4dB

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

Common questions

The questions buyers, sellers and homeowners most often ask about 9 Thornden, Cowfold, Horsham, RH13 8AG. Each answer is also embedded as structured data for search engines.