Flat B, 5 Church Street, Warnham, Horsham, RH12 3QP
About Flat B
Flat B is a one-bedroom semi-detached house in Warnham, Horsham, Horsham (RH12 3QP). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to 1900-1929. The latest certificate (July 2024) shows a D (score 58), a step below the typical UK home. When first surveyed in September 2010 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Poor to Average and lighting went from Very Poor to Very Good.
At 51 m² it sits well below the postcode median (77 m² across 13 EPCs), making it one of the more compact homes locally. Most recent transfer: August 2024 at £174,200. Across the public record there are 4 sales, relatively high churn for a single property. Across 1999–2024, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £192,000 is 10.2% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£317/sq ft) was about 24% above the typical sold price in the postcode. One historical planning record sits against the property in 2004.
Know exactly what you're buying at Flat B
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
Outside
- ParkingYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
Heating controls changed
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
- Jun 2004RenovationFullIn report
Installation of railings to create roof garden above existing single storey flat roof
- Reference
- DC/04/0882
We flagged 1 thing worth checking at Flat B
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Sale price has at least doubled since 1999.
£192,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 25 years.
£174,200
Growth on file: 4.1% per year over 25 years.
Sales timeline
22 August 2024Most recent
£174,200
+13.2%over 9 years4 August 2015
£153,950
+33.9%over 10 years2 May 2005
£115,000
+76.9%over 5 years28 October 1999
£65,000
Median price across the last 5 sales in RH12 3QP: £520,000 (2025–2021).
Nearby sales in RH12 3QP
7 Church Street, Warnham, Horsham, RH12 3QP
Sold Mar 2025
£520,00027 Church Street, Warnham, Horsham, RH12 3QP
Sold Jun 2024
£620,00021 Church Street, Warnham, Horsham, RH12 3QP
Sold Dec 2022
£428,0001 Church Street, Warnham, Horsham, RH12 3QP
Sold Nov 2021
£810,000Newdenne House, Church Street, Warnham, Horsham, RH12 3QP
Sold Dec 2017
£900,000
Everything we know about Flat B, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

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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
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Church — bus stop.
Closest school
0.2 km
Warnham CofE Primary School. 8 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
47.4dB

Night-time· 23:00 – 07:00
39.1dB