Cottage Garth, Underhill Lane, Clayton, Hassocks, BN6 9PJ
About Cottage Garth
Cottage Garth is a semi-detached house in Clayton, Hassocks, Hassocks (BN6 9PJ). It has a recorded floor area of 233 m² (around 2508 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (June 2020) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since April 2014. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Very Poor to Average and lighting went from Poor to Very Good; while roof efficiency dropped from Average to Very Poor and main heating dropped from Good to Average. The recommended improvements would push it to D (score 68). Main heating runs on oil.
At 233 m² the property is well over the postcode median (141 m² across 11 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. Across 2005–2020, sale prices on this property compounded at 17.6% per year. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 38% above the typical sold price in the postcode. Most recent transfer: August 2020 at £1,165,000.
Know exactly what you're buying at Cottage Garth
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
Cottage Garth's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
- Feb 2025Tree WorksTreesIn report
T2 - Holly - Reduce by 2m and trim the sides T3 - Sycamore - Reduce by 2m T4 - Yew - Reduce height by approx 1.5m and shape T5 - Crab Apple - Pruning T6 - Elderflower - Pruning / Clearing Dead.
- Documents
- 3 docs on file
- Reference
- SDNP/25/00138/TCA
- Dec 2021ExtensionFullIn report
Extension and alterations to the existing garage, including replacing existing windows and doors, relocation of one window, and replacement of the garage flat roof with a pitched roof containing storage space; and construction of new gazebo, with related works
New Windows- Documents
- 18 docs on file
- Reference
- SDNP/21/04783/HOUS
We flagged 1 thing worth checking at Cottage Garth
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
Price for Cottage Garth has grown more than fourfold since the 2005 starting point.
£1,167,000
Modelled from EPC, postcode comparables and a sale-price growth of 17.6% per year over 15 years.
£1,165,000
Growth on file: 17.6% per year over 15 years.
Sales timeline
27 August 2020Most recent
£1,165,000
+72.6%over 6 years27 August 2014
£675,000
+530.8%over 8 years21 November 2005
£107,000
Median price across the last 5 sales in BN6 9PJ: £750,000 (2023–2016).
Nearby sales in BN6 9PJ
The Jacketings, Underhill Lane, Clayton, Hassocks, BN6 9PJ
Sold Nov 2023
£665,000Fosters, Underhill Lane, Clayton, Hassocks, BN6 9PJ
Sold Jan 2022
£750,000Millbrook, Underhill Lane, Clayton, Hassocks, BN6 9PJ
Sold Apr 2019
£915,000Claylands Cottage, Underhill Lane, Clayton, Hassocks, BN6 9PJ
Sold Feb 2019
£1,115,000Hillside, Underhill Lane, Clayton, Hassocks, BN6 9PJ
Sold Jul 2012
£510,000
Everything we know about Cottage Garth, 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 Underhill Lane homes
On floor area, Cottage Garth stands well clear of the street.
Price per m²
£5,000
Street avg £4,906
Floor Area
233 m²
Street avg 147 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
10.0 t/year
Street avg 9.0 t/year
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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
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Weavers — bus stop.
Closest school
1.4 km
Downlands Community School. 4 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
48.3dB

Night-time· 23:00 – 07:00
41.1dB