11 Boxes Lane, Horsted Keynes, Haywards Heath, RH17 7EJ
About 11 Boxes Lane
11 Boxes Lane is a four-bedroom detached house in Horsted Keynes, Haywards Heath, Haywards Heath (RH17 7EJ). It has a recorded floor area of 176 m² (around 1894 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (April 2024) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68). Main heating runs on oil. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.
Across 2007–2024, sale prices on this property compounded at 2.7% per year. On a £-per-square-foot basis, the last sale (£462/sq ft) was about 75% above the typical sold price in the postcode. Last sale on file: £875,000 in September 2024. One historical planning record sits against the property in 2003.
Know exactly what you're buying at 11 Boxes Lane
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenSouth-facing
- GarageYes
Building
- Previously extendedYes
- Extension potentialPossible
Energy performance
11 Boxes Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
- May 2003PorchFullIn report
Extension: Single storey
Ground floor extension of garage and porch area to provide additional study and utility rooms.
Extension- Reference
- 03/00886/FUL
We flagged 1 thing worth checking at 11 Boxes Lane
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
Latest sale on 11 Boxes Lane was the highest on Land Registry record across the postcode.
£914,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 17 years.
£875,000
Growth on file: 2.7% per year over 17 years.
Sales timeline
1 September 2024Most recent
£875,000
+59.1%over 17 years6 March 2007
£550,000
Median price across the last 5 sales in RH17 7EJ: £480,000 (2025–2004).
Nearby sales in RH17 7EJ
12 Boxes Lane, Horsted Keynes, Haywards Heath, RH17 7EJ
Sold Feb 2025
£830,0007 Boxes Lane, Horsted Keynes, Haywards Heath, RH17 7EJ
Sold Feb 2013
£580,0002 Boxes Lane, Horsted Keynes, Haywards Heath, RH17 7EJ
Sold Aug 2011
£480,00010 Boxes Lane, Horsted Keynes, Haywards Heath, RH17 7EJ
Sold Jul 2004
£436,00014 Boxes Lane, Horsted Keynes, Haywards Heath, RH17 7EJ
Sold Sept 2003
£400,000
Everything we know about 11 Boxes Lane, 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 Boxes Lane homes
11 Boxes Lane outperforms the street on floor area by a wide margin.
Price per m²
£4,972
Street avg £3,094
Floor Area
176 m²
Street avg 159 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
8.4 t/year
Street avg 7.0 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
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Lewes Road — bus stop.
Closest school
0.7 km
St Giles CofE Primary School. 2 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
44.8dB

Night-time· 23:00 – 07:00
36.4dB