Millbrook, Underhill Lane, Clayton, Hassocks, BN6 9PJ
About Millbrook
Millbrook is a four-bedroom detached house in Clayton, Hassocks, Hassocks (BN6 9PJ). It has a recorded floor area of 168 m² (around 1808 sq ft), construction records dating it to before 1900 and council tax band G. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a balcony, outbuildings and a basement. Period features are noted in the property record. The latest certificate (January 2018) shows an F (score 24), near the bottom of the EPC scale. When first surveyed in May 2015 the rating was G, the property has climbed 1 band since. Between certificates, lighting went from Average to Good and main heating went from Very Poor to Poor. The recommended improvements would lift it to C (score 73), a 3-band jump. Main heating runs on lpg.
At 168 m² it's 19.1% larger than the typical home in the postcode (141 m² median across 11 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Across 2016–2019, sale prices on this property compounded at 8.4% per year. Today's modelled estimate of £1,133,000 is 23.8% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£506/sq ft) was about 59.2% above the typical sold price in the postcode. 4 planning records sit against the property, 0 approved, 2 refused. Last sale on file: £915,000 in April 2019.
Know exactly what you're buying at Millbrook
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
- Bedrooms4
- Bathrooms2
- EnsuiteYes
- BasementYes
Outside
- Private gardenYes
- GarageYes
- BalconyYes
- OutbuildingsYes
- Swimming poolYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
Millbrook's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
More low energy lighting installed
Planning history
A change of use to residential application was refused at Millbrook in 2023.
- Aug 2023Change of UseFullIn report
Retention of log cabin within residential curtilage and change of use to one bedroom unit of holiday accommodation.
Retrospective- Documents
- 17 docs on file
- Reference
- SDNP/23/02524/FUL
- Mar 2023OutbuildingAmendmentIn report
Erection and use of garden outbuilding and lean-to shelter for a period of more than four years
- Agent
- David Campion Ltd
- Documents
- 10 docs on file
- Reference
- SDNP/22/05279/LDE
We flagged 2 things worth checking at Millbrook
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
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
Millbrook valuation sits well clear of the typical sold price in this postcode.
£1,133,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.4% per year over 3 years.
£915,000
Growth on file: 8.4% per year over 3 years.
Sales timeline
29 April 2019Most recent
£915,000
+25.3%over 2 years14 July 2016
£730,000
Median price across the last 5 sales in BN6 9PJ: £750,000 (2023–2014).
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
£750,000Cottage Garth, Underhill Lane, Clayton, Hassocks, BN6 9PJ
Sold Aug 2020
£1,165,000Claylands 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 Millbrook, 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
- A planning decision worth checking

Versus other Underhill Lane homes
Millbrook is notably below the street on epc rating.
Price per m²
£5,446
Street avg £4,857
Floor Area
168 m²
Street avg 153 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
8.8 t/year
Street avg 9.1 t/year
Similar properties nearby
1 College Place, College Lane, Hurstpierpoint
BN6 9AF
1 Albourne Place Farm Cottage, Shaves Wood Lane, Albourne
BN6 9DX
1 Cuckfield Road, Hurstpierpoint
BN6 9RP
1 Barter Close, Hurstpierpoint
BN6 9FS
1 Blossomwell, Langton Lane, Hurstpierpoint
BN6 9EY
1 Cherrington Close, Hurstpierpoint
BN6 9AY
1 Church Lane, Albourne
BN6 9BX
1 Barn Close, Albourne
BN6 9DG
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