14 Jefferies, Horsted Keynes, Haywards Heath, RH17 7DR
About 14 Jefferies
14 Jefferies is a semi-detached house in Horsted Keynes, Haywards Heath, Haywards Heath (RH17 7DR). It has a recorded floor area of 157 m² (around 1690 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (February 2026) returns an A (score 108), the top energy band on the EPC scale. When first surveyed in April 2014 the rating was D, the property has climbed 3 bands since. Between certificates, window efficiency went from Very Poor to Average, lighting went from Average to Good and main heating went from Average to Very Good. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 157 m² the property is well over the postcode median (94 m² across 12 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £597,000 sits 62.2% above the 2014 sale of £368,000. On a £-per-square-foot basis, the last sale (£218/sq ft) was about 34.9% below the postcode norm. 12 years since the last transfer (September 2014). 2 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 14 Jefferies
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
Energy performance
14 Jefferies ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Loft insulation upgraded to recommended levels
More low energy lighting installed
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Hot water efficiency improved
Wall insulation improved
Planning history
Council records include a part-single-part-two-storey extension at 14 Jefferies.
- Feb 2025ExtensionFullIn report
Extension: Part single, part two storey
Proposed part first floor and part two storey extension and alterations
- Documents
- 11 docs on file
- Reference
- DM/24/3132
- May 2018PorchFullIn report
Extension: Two storey
Proposed two storey side extension, single storey rear extension and new front porch.
Extension- Documents
- 11 docs on file
- Reference
- DM/18/1387
We flagged 1 thing worth checking at 14 Jefferies
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
14 Jefferies valuation sits well clear of the typical sold price in this postcode.
£597,000
Modelled from EPC, postcode comparables.
£368,000
Recorded with HM Land Registry.
Sales timeline
18 September 2014Most recent
£368,000
Median price across the last 5 sales in RH17 7DR: £420,000 (2025–2016).
Nearby sales in RH17 7DR
1 Jefferies, Horsted Keynes, Haywards Heath, RH17 7DR
Sold Sept 2025
£625,0004 Jefferies, Horsted Keynes, Haywards Heath, RH17 7DR
Sold Feb 2023
£500,0007 Jefferies, Horsted Keynes, Haywards Heath, RH17 7DR
Sold Jul 2018
£370,0008 Jefferies, Horsted Keynes, Haywards Heath, RH17 7DR
Sold Sept 2017
£365,00010 Jefferies, Horsted Keynes, Haywards Heath, RH17 7DR
Sold Nov 2016
£420,000
Everything we know about 14 Jefferies, 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 Jefferies homes
Price per m² for 14 Jefferies lags the street by a wide margin.
Price per m²
£2,344
Street avg £4,317
Floor Area
157 m²
Street avg 99 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
0.0 t/year
Street avg 5.1 t/year
Similar properties nearby
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RH17 7EY
1 Cheffins Walk
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1 Blacksmiths Cottages, Station Road, Horsted Keynes
RH17 7AT
1 Cheeleys, Horsted Keynes
RH17 7AU
1 Birch Way
RH17 7SG
1 Buckle Lane
RH17 7DW
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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
0.8 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
44.7dB

Night-time· 23:00 – 07:00
36.4dB