20 Costells Edge, Scaynes Hill, Haywards Heath, RH17 7PY
About 20 Costells Edge
20 Costells Edge is a four-bedroom detached house in Scaynes Hill, Haywards Heath, Haywards Heath (RH17 7PY). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1976-1982 and council tax band F. Tenure is freehold. The latest certificate (March 2021) returns a high B (score 87), putting the home a stone's throw from an A rating. When first surveyed in November 2015 the rating was D, the property has climbed 2 bands since. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to A (score 92). Other recorded features include a conservatory and attached land beyond the plot. The home occupies a cul-de-sac position.
At 114 m² it's 16.2% smaller than the typical home in the postcode (136 m² median across 21 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £770,000 is 12.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£558/sq ft) was about 83.5% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 0 refused. Last sale on file: £685,000 in November 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 20 Costells Edge
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
- Dining roomYes
- CloakroomYes
- StudyYes
- ConservatoryYes
- FireplaceYes
Outside
- Private gardenWest-facing
- GarageDouble
- LandYes
- Cul-de-sacYes
Building
- TenureFreehold
- Heating systemGas
Energy performance
20 Costells Edge ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Planning history
- Apr 2026RenovationFullIn report
Removal of existing patio and decking and installation of new raised composite decking, steps and closeboard fencing
- Documents
- 12 docs on file
- Reference
- DM/26/0600
- Feb 2024OtherIn report
Open fronted wooden barn on metal skids for the storage of wood and forestry maintenance equipment.
- Documents
- 14 docs on file
- Reference
- DM/24/0225
We flagged 1 thing worth checking at 20 Costells Edge
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£770,000
Modelled from EPC, postcode comparables.
£685,000
Recorded with HM Land Registry.
Sales timeline
4 November 2021Most recent
£685,000
Median price across the last 5 sales in RH17 7PY: £653,000 (2024–2021).
Nearby sales in RH17 7PY
14 Costells Edge, Scaynes Hill, Haywards Heath, RH17 7PY
Sold Feb 2024
£590,00029 Costells Edge, Scaynes Hill, Haywards Heath, RH17 7PY
Sold Jan 2024
£660,00017 Costells Edge, Scaynes Hill, Haywards Heath, RH17 7PY
Sold Jan 2023
£700,00024 Costells Edge, Scaynes Hill, Haywards Heath, RH17 7PY
Sold Mar 2021
£620,00037 Costells Edge, Scaynes Hill, Haywards Heath, RH17 7PY
Sold Feb 2021
£653,000
Everything we know about 20 Costells Edge, 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 Costells Edge homes
20 Costells Edge outperforms the street on price per m² by a wide margin.
Price per m²
£6,009
Street avg £3,943
Floor Area
114 m²
Street avg 140 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
1.7 t/year
Street avg 4.9 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
0.3 km
Ham Lane — bus stop.
Closest school
0.1 km
St Augustine's CofE Primary School. 5 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
45.5dB

Night-time· 23:00 – 07:00
39.1dB