North Cornwall · TR5 · Cornwall Council North
New Builds for Mithian (TR5)
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. Mithian sits in North Cornwall, and that geography ends up in the drawings — Mithian is a rural parish in the TR5 area, with farmsteads, lanes and scattered homes defining its built character, with a building stock that leans toward rural cottages and scattered modern homes.
Mithian sits in North Cornwall — just off the A39; covering TR5 from St Agnes, Mount Hawke, Trevellas outward.
- Cornwall AONB
- Rural / open-countryside policy area
- ✓Measured-survey accuracy from day one
- ✓One studio — design, planning and build under one roof
- ✓Fixed-fee planning packages, no surprise invoices
- ✓Free first site visit, no obligation
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Free Mithian feasibility call
Tell us about your new build. We reply within 1 working day — no obligation.
Page purpose
Drawings only, or drawings through to handover in Mithian?
Both routes are open on a TR5 project, and the honest answer depends on whether you already have a builder you trust. Plenty of Mithian clients take the drawings, tender them locally, then come back to us for the build if the numbers do not stack up.
- Route one: feasibility, planning and a tender-ready technical pack
- Route two: the same pack, then the build under one contract
- Either way the survey and feasibility work is identical, so the decision can wait
- Fees quoted per stage against the TR5 scope, not as one opaque figure
Scope
Scope options for Mithian clients
Clients in Mithian take different slices of this list, and that is deliberate.
Planning application drawings
Existing and proposed plans, elevations, site and block plans drawn to validation standard.
Measured survey
An accurate record of what is actually there, which is where most avoidable cost is removed.
Heritage and design statements
Written justification where designation makes the design case as important as the drawing.
Structural coordination
Calculations coordinated with the drawings so building control sees one consistent story.
Full design and build
One contract from first sketch to handover, with the same team on paper and on site.
Local watch-list
The TR5 constraints that shape a new build brief.
Watch #1
AONB landscape-impact testing on anything read in long views across North Cornwall
Watch #2
Local Plan tests on isolated dwellings, plus lane access for plant and deliveries around Mithian
Who this is for
Straight facts about working with us here
- Applications for Mithian are handled through Cornwall Council, with Bodmin the nearest planning office we deal with regularly.
- Designated-area work is routine here, so heritage and landscape statements are produced alongside the drawings rather than outsourced.
- Drawings, planning and building regulations are all produced in-house, so a new build enquiry does not get passed between firms.
Planning rules change and every site is different. For the final position on your address, check with Cornwall Council as the local planning authority or the Planning Portal.
What we focus on
New Builds considerations specific to Mithian.
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.
Quick check
Want a straight answer on whether your Mithian project is worth pursuing?
Send a few details — we'll come back within 1 working day with a plain-English view on planning risk, likely cost band and whether it's a project we'd take on.
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Get a free feasibility view
For projects in Mithian and the TR5 area.
Local context
Why Mithian is its own job.
In Mithian the planning picture is specific: open-countryside policy, access lanes, drainage and agricultural building history all need to be addressed before drawings go too far. For new build specifically, the surrounding landscape falls inside the Cornwall Area of Outstanding Natural Beauty, so massing, height and landscape impact carry extra weight in any planning decision; 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 Mithian (TR5) project different from a generic Cornwall scheme — and is the whole reason we work this way. On rural cottages in particular — the kind you'll also find toward Goonbell — 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.
Our process
How a Mithian 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.
FAQs
Mithian New Builds — local questions answered.
- 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. In Mithian specifically, we'd start by checking AONB landscape sensitivity before committing to a direction.
- 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.
- 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.
- We live in the house. Can a new build in Mithian be done while we stay put?
- Usually yes for single-storey and rear work, with a temporary kitchen or bathroom arrangement agreed before the start. Whole-house remodels and roof work in Mithian are often easier if you move out for a few weeks. We set that expectation at feasibility stage rather than halfway through.
- 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.
Mithian is part of St Agnes
Mithian sits inside the St Agnes catchment — we cover both as one new build territory.
See New Builds in St Agnes →Keep reading
Where to go next from Mithian
Mithian is covered from our St Agnes run. Being a smaller place, the local detail matters more than the headline policy: lane access, neighbour proximity and what the immediate street already looks like.
Other services in Mithian
Nearby places we cover
The new build jobs we're proudest of in Mithian are the ones where the planning route was clear before a single elevation was drawn. Landscape impact is the deciding test on most visible plots around here.
Ready to discuss your project in Mithian? We are on the A39 regularly.
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