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Furnace Wood, East Grinstead, Sussex - Image 1
Furnace Wood, East Grinstead, Sussex - Image 2
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Furnace Wood, East Grinstead, Sussex

South East

£1,500,000

Listed on 26/10/2026

The listing

Property details

Bedrooms
5
Type
Detached
Area
3000 sqft

Features

  • Garden
  • Parking

Description

A substantially progressed five-bedroom detached self-build in Furnace Wood, near Felbridge, offered for a buyer to complete and specify. The home is designed to provide around 3,300 sq ft of accommodation, with a large kitchen, dining and family space, a separate sitting room, study, cinema room, utility area, five double bedrooms, three en-suites and a family bathroom. The listing states that first-fix electrics and plumbing, windows and external doors are already installed. The property is being sold at its current stage of construction, and the vendor is willing to undertake completion after sale, with specification, costs, timescales and contractual terms to be agreed separately. If the original builder is retained, the listing says completion would include NHBC certification, a SAP report and a structural warranty. CGI images illustrate one proposed finished specification; the completed interior is not yet in place. Outside, the listing describes a substantial rear garden with a patio, woodland outlook and stream boundary, together with gated parking, a garden store and planning permission for a detached garage. The rural setting is close to Felbridge and Lingfield, with East Grinstead, rail services, the M23 and Gatwick within reach.

WHOTS analysis

Our WHOTS verdict

An internal assessment of the opportunity to acquire, improve and create value.

31out of 100
Grade ELow opportunity

Confidence: MEDIUM

This is a substantial, bespoke five-bedroom home in a rural setting, with generous proportions, large glazed openings and the main external elements already in place. The unfinished interior and grounds give the next owner scope to complete the specification and shape the living spaces to their taste, but this is a heavy construction-stage project rather than a cosmetic refresh.

The asking price is already 16.5% above the local £/sqf benchmark, and once a mid-to-substantial finishing programme is factored in, the purchase and works look stretched against local benchmarks for a home of this floor area. The score is therefore weak despite the strong fundamentals: the setting and scale are appealing, but the numbers leave little obvious value cushion.

Key opportunities

  • Complete the substantial interior fit-out to create a bespoke family home, with large rooms and glazed openings offering a strong canvas for the final layout and specification.
  • Fit out the kitchen and proposed bathrooms to suit the next owner's needs and style.
  • Turn the rough, construction-stage grounds into a finished garden that makes the most of the rural setting.

Key risks

  • Exposed blockwork, framing and unfinished floors across the photographed interiors, alongside rough external ground, mean planning for a full completion programme with significant time and coordination—not a cosmetic refresh.
  • The asking price combined with the scale of finishing work leaves the overall outlay stretched against local benchmarks for this floor area, with limited apparent headroom.
  • Headroom after works looks limited with the asking price plus a meaningful modernisation spend, about 26% ahead of typical local benchmarks for this size; we have not assumed a post-renovation resale figure.

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Map

Location

Furnace Wood, East Grinstead, Sussex
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Finance

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Illustrative repayments based on the asking price, not a mortgage offer.

£
£
£
%
%
years

Current average 2-year fixed rate is 4.45%

Current average variable rate is 6.60%

Monthly Repayments
£5,667
Based on a loan of £1,125,000 over 30 years at 4.45% interest

These results are estimates and are only intended as a guide. Make sure you obtain accurate figures from your lender before committing to any mortgage. Your home may be repossessed if you do not keep up repayments on a mortgage.

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