21 Grand Avenue, Hassocks, BN6 8DA
About 21 Grand Avenue
21 Grand Avenue is a three-bedroom detached house in Hassocks (BN6 8DA). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (April 2024) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it D (June 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Average to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to C (score 71), a 2-band jump.
At 110 m² it's 22.2% larger than the typical home in the postcode (90 m² median across 16 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. A recent sale: £675,000 in October 2025. Across 2008–2025, sale prices on this property compounded at 4.7% per year. On a £-per-square-foot basis, the last sale (£570/sq ft) was about 80.3% above the typical sold price in the postcode. One historical planning record sits against the property in 2021.
Know exactly what you're buying at 21 Grand Avenue
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
- Bedrooms3
- Bathrooms1
- StudyYes
Outside
- Private gardenYes
- Parkingoff_road
Building
- Central heatingYes
Energy performance
21 Grand Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Planning history
Council records include a two-storey rear extension at 21 Grand Avenue.
- Dec 2021ExtensionFullIn report
Extension: Two storey · Rear of property
Two storey rear extension
- Documents
- 16 docs on file
- Reference
- DM/21/3451
We flagged 1 thing worth checking at 21 Grand Avenue
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
21 Grand Avenue has more than doubled in price since the earliest registered sale in 2008.
£687,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 17 years.
£675,000
Growth on file: 4.7% per year over 17 years.
Sales timeline
31 October 2025Most recent
£675,000
+92.9%over 15 years18 December 2009
£350,000
+13.3%over 1 year11 September 2008
£309,000
Median price across the last 5 sales in BN6 8DA: £510,000 (2025–2023).
Nearby sales in BN6 8DA
Everything we know about 21 Grand Avenue, 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

Versus other Grand Avenue homes
On years held, 21 Grand Avenue runs well behind the street norm.
Price per m²
£6,136
Street avg £4,896
Floor Area
110 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.4 t/year
Street avg 3.7 t/year
Similar properties nearby
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1 Common Lane, Ditchling
BN6 8TJ
1 Clayton Park
BN6 8JQ
1 Abbots Close
BN6 8PH
1 Chestnut Drive
BN6 8AZ
1 Clayton Avenue
BN6 8HB
1 Birch Way
BN6 8YJ
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Spitalford Bridge — bus stop.
Closest school
0.1 km
Hassocks Infant School. 6 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
47.9dB

Night-time· 23:00 – 07:00
38.5dB