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Get started23 Blackthorns is a four-bedroom detached house in Lindfield, Haywards Heath, Haywards Heath (RH16 2AX). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1967-1975 and council tax band F. Other recorded features include a conservatory. Our model identifies extension potential, subject to local planning policy. The latest certificate (November 2016) shows a C (score 70). The recommended improvements would push it to B (score 82).
2 planning records sit against the property, 0 approved, 0 refused, 1 pending. An active application for an extension is awaiting a decision. Its energy rating outperforms most of the postcode (better than 77% of similar EPCs). Last sold in January 2017, so it's been off the market for around 9 years. Today's modelled estimate of £811,000 is 25.7% above the 2017 sale price.
An application for an extension is currently awaiting a decision.
Single-storey extension to the principal elevation. Description amended 10.04.2026 to include proposed cladding and replacement anthracite windows to principal elevation and new windows and doors to side elevations.
23 Blackthorns valuation sits well clear of the typical sold price in this postcode.
£811,000
Modelled from EPC, postcode comparables.
£645,000
Recorded with HM Land Registry.
CO₂ Emissions for 23 Blackthorns runs comfortably ahead of the street norm.
Price per m²
£5,160
Street avg £5,295
Floor Area
125 m²
Street avg 130 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
48.1dB

Extension: Two storey · Side and rear of property
Demolition of existing garage/conservatory/shed and erection of new two storey extension to side and rear, and single storey extension to rear.
19 January 2017Most recent
£645,000
Median price across the last 5 sales in RH16 2AX: £810,000 (2025–2020).
CO₂ Emissions
3.6 t/year
Street avg 5.6 t/year
RH16 2BX
Hickman's Lane — bus stop.
Closest school
0.2 km
Blackthorns Community Primary Academy. 9 schools nearby.
Night-time· 23:00 – 07:00
39.1dB
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