20a, Alder Copse, Horsham, RH12 1LD
About 20a
20a is a property in Horsham (RH12 1LD). It has council tax band B.
Held since March 2005 — that's 21 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2004. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2005, sale prices on this property compounded at 3.3% per year.
Know exactly what you're buying at 20a
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
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
Council records include a two-storey side extension at 20a.
- Nov 2004ExtensionFullIn report
Extension: Two storey · Side of property
2-Storey side extension
- Reference
- DC/04/2153
We flagged 1 thing worth checking at 20a
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
20a saw 4 transfers in just over a decade — high turnover for the postcode.
£79,000
Growth on file: 3.3% per year over 7 years.
Sales timeline
3 March 2005Most recent
£79,000
+83.7%over 4 years27 July 2000
£43,000
-30.6%over 2 years25 September 1997
£62,000
25 September 1997
£62,200
Median price across the last 5 sales in RH12 1LD: £300,000 (2025–2019).
Everything we know about 20a, 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
Similar properties nearby
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1 Alder Copse
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1 Cleves Mews
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1 Bridge House, East Street
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1 Brook Terrace, Talbot Lane
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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
0.3 km
Tower Close — bus stop.
Closest school
0.7 km
Arunside School, Horsham. 11 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
49.0dB
Night-time· 23:00 – 07:00
39.0dB