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High Timbers House, Lewes Road, Horsted Keynes, Haywards Heath, RH17 7DP

Extendable4 planning records
Property type
Detached
Bedrooms
4
Floor area
139 m²
1496 sq ft
Energy rating
D
Score 60
Tenure
Owner Occupied
Overview

About High Timbers House

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

High Timbers House is a four-bedroom detached house in Horsted Keynes, Haywards Heath, Haywards Heath (RH17 7DP). It has a recorded floor area of 139 m² (around 1496 sq ft) and construction records dating it to 1983-1990. The latest certificate (October 2021) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 75). Main heating runs on oil. Our model identifies extension potential, subject to local planning policy.

Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 2010–2022, sale prices on this property compounded at 4.6% per year. On a £-per-square-foot basis, the last sale (£531/sq ft) was about 68.1% above the typical sold price in the postcode. 4 planning records sit against the property, 0 approved, 1 refused. Last sale on file: £795,000 in May 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

Before you offer

Know exactly what you're buying at High Timbers House

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

Already flagged here

Larger development activity nearbyA planning decision worth checking
£14.99
Trusted by UK homebuyers

Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms4
  • Dining roomYes
  • Utility roomYes
  • CloakroomYes
  • EnsuiteYes

Outside

  • Private gardenSouth-east-facing
  • GarageYes

Building

  • Heating systemOil
  • Extension potentialPossible
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

High Timbers House's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 3)
Oct 2021

EPC Rating

A
B
C
D
D60
E
F
G
Main Heating
Gas
Main Fuel
Oil
Hot Water
Average
Windows
Good
CO2 Emissions
6.1 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Aug 2014from Mar 2010
Roof
AverageGood

Roof insulation improved

Low Energy Lighting
8%79%

More low energy lighting installed

Oct 2021from Aug 2014
EPC improved fromE52toD60
Heating Controls
Prog + TRVsFull

Heating controls upgraded for better temperature management

Windows
SingleFull Double

Single glazing replaced with double or better glazing

Low Energy Lighting
79%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against High Timbers House, Lewes Road, Horsted Keynes, Haywards Heath, RH17 7DP, sourced from the PlanIt planning register.

A a loft conversion application was refused at High Timbers House in 2023.

  1. May 2024
    Loft ConversionFull
    In report

    Proposed roof extension and conversion of loft space, with conservation roof lights to the front, a gable dormer to the rear and roof light windows to the right side elevation.

    Extension
    Documents
    15 docs on file
    Reference
    DM/24/0571
    View planning record
  2. Sept 2023
    Loft ConversionOutline
    In report

    Conversion of roof to form two additional bedrooms and a shower room.

    Documents
    8 docs on file
    Reference
    DM/23/1870
    View planning record
Before you offer

We flagged 2 things worth checking at High Timbers House

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
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£836,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 12 years.

See how we calculated this
Last sold (2022)

£795,000

Growth on file: 4.6% per year over 12 years.

Sales timeline

  1. 26 May 2022Most recent

    £795,000

    +69.1%over 11 years
  2. 16 September 2010

    £470,000

Median price across the last 5 sales in RH17 7DP: £980,000 (2025–2022).

Before you offer

Everything we know about High Timbers House, 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
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Lewes Road homes

Four headline reads against 4 similar houses on this street, drawn from the latest EPC and Land Registry data.

High Timbers House outperforms the street on epc rating by a wide margin.

EPC Rating

60 (D)

Street avg 46 (E)

Above

Floor Area

139 m²

Street avg 158 m²

On par

CO₂ Emissions

6.1 t/year

Street avg 7.1 t/year

Above

Habitable Rooms

6 rooms

Street avg 6 rooms

Above
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Haywards Heath district page.

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

0.2 km

Lewes Road — bus stop.

Closest school

0.6 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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around RH17 7DP from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for RH17 7DP

Daytime· 07:00 – 23:00

44.5dB

Low
Night-time road noise heatmap for RH17 7DP

Night-time· 23:00 – 07:00

36.4dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about High Timbers House, Lewes Road, Horsted Keynes, Haywards Heath, RH17 7DP. Each answer is also embedded as structured data for search engines.