Mid Cornwall · PL24
New Builds for Tregrehan (PL24)
A bespoke new build is the longest project we do, and the most rewarding. From plot appraisal through planning, building regulations and construction, you work with one team from the first sketch to the handover walk-round. Tregrehan sits in Mid Cornwall, and that geography ends up in the drawings — Tregrehan is an estate-influenced village in the PL24 area, with designed landscape, older cottages and rural edges close together, with a building stock that leans toward converted outbuildings and estate cottages.
Tregrehan sits in Mid Cornwall — covering PL24 from St Austell, Bugle, St Dennis outward.
- Rural / open-countryside policy area
- ✓ Same team on paper as on site
- ✓ Fixed-fee planning packages, no surprise invoices
- ✓ Local to Mid Cornwall — not a national franchise
- ✓ Free first site visit, no obligation
Our process
How a Tregrehan new build project runs.
Step 1
Plot review
Site visit, planning history check, designation review and an honest feasibility verdict.
Step 2
Concept design
Sketches that test the plot in massing, orientation and approach before any drawings are committed.
Step 3
Planning
Pre-app, full planning, consultee management and condition discharge.
Step 4
Technical design and build prep
Building regs, structural design, services strategy and contractor procurement.
Step 5
Construction and handover
Build delivered under contract administration with regular client reviews.
Most bespoke new builds run eighteen to thirty months from instruction to keys, depending on site, planning route and build complexity.
Local proof — Most Tregrehan new build clients we work with are second-time builders — they've seen the templated approach fail once already.
Get a free feasibility viewWhat we focus on
New Builds considerations specific to Tregrehan.
01
AONB and Heritage Coast designations apply to large stretches of the county; isolated new builds outside settlement boundaries face a much higher policy bar.
02
Off-grid services — package treatment plants, borehole supply, off-mains gas — are common on rural Cornish plots and need designing, not assuming.
03
Replacement dwellings have specific volumetric tests — getting the ratio between existing footprint and proposed floor area right is the difference between approval and refusal.
04
Self-build CIL exemption requires the right documentation in the right order; missing a step costs five-figure sums.
Local context
Why Tregrehan is its own job.
In Tregrehan the planning picture is specific: landscape setting, curtilage history and estate character need a precise design rationale rather than a standard suburban approach. For new build specifically, Cornwall Council's Local Plan applies tighter tests to isolated rural dwellings here, so design rationale and policy fit need to be set out clearly from the outset. That local reading is what makes a Tregrehan (PL24) project different from a generic Cornwall scheme — and is the whole reason we work this way. On converted outbuildings in particular — the kind you'll also find toward Nanpean — the new build brief always has to read the existing fabric first.
Planning note
Cornwall's planning policy on new dwellings is among the most restrictive in England outside Greater London. The first conversation should be a planning conversation, not a design one.
Local watch-list
Local snags worth knowing before drawing a Tregrehan new build.
Watch #1
Tighter Local Plan tests on isolated rural dwellings
Tregrehan is part of St Austell
Tregrehan sits inside the St Austell catchment — we cover both as one new build territory.
See New Builds in St Austell →Local fabric
Tregrehan new builds — the local-studio difference.
Building stock
Across Tregrehan (PL24) we work on estate cottages, farm buildings, detached homes, converted outbuildings, small infill plots. Each stock type drives a different new build response — converted outbuildings in particular needs careful detailing here.
Parish & policy
Tregrehan sits in the parish of Tregrehan, which matters for how parish-level consultation lands on a new build application.
Coverage
We cover PL24 from our studio, with regular new build jobs also running in St Austell, Bugle, St Dennis. Most Tregrehan site visits get booked within the same week.
Can you handle both planning and build in Tregrehan?
Yes — design, planning, building regs and full construction run under one roof. For clients with an existing Tregrehan builder we can stop at a tender-ready Full Plans pack instead.
Request a free visitWho this is for
Tregrehan runs the full mix — owner-occupier, holiday-let, commercial and the occasional smallholding — so we scope every new build enquiry from the use-class up.
FAQs
Tregrehan New Builds — local questions answered.
- What about utilities, drainage and access?
- All designed and applied for as part of the package — water, electric, off-mains drainage where mains isn't viable, and highways access agreement with Cornwall Council where required. In Tregrehan specifically, we'd start by checking the latest parish-level planning history before committing to a direction.
- What's a replacement dwelling and is mine eligible?
- If a habitable dwelling exists on the plot, you can often replace it — within volumetric and design constraints set by Cornwall's Local Plan. Derelict structures sometimes qualify, sometimes don't, depending on lawful use history.
- How long does the whole project take?
- Allow six to twelve months for design and approvals, then ten to fourteen months on site for a typical four-bedroom new build. Complex sites or long planning routes extend that.
- Can you handle a self-build for me?
- Yes — from feasibility to handover. Many of our clients start as 'self-builders' on paper, then hand the actual build to us once they realise how much project management it takes.
- How much does a new build cost?
- Realistic budgets in Cornwall start around £2,800 per square metre for a good-quality build and rise quickly with bespoke joinery, large glazing, complex sites and high-spec finishes. We work to your number, not against it.
Other services in Tregrehan
Nearby places we cover
Every Tregrehan new build we work on is treated as a PL24 job in its own right — local fabric, local policy, local builders.