South Cornwall · TR11 · Cornwall Council Central
Eco new builds in Falmouth — sustainable spec that stacks up
An eco new-build in Falmouth doesn't have to be Passivhaus-certified to make sense. Timber-frame construction, wood-fibre insulation, triple glazing and a properly sized air-source heat pump get you 85–90% of Passivhaus performance for a build premium under 6%. On TR11 plots, this is the pragmatic middle ground. 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. Reading Falmouth on the ground is half of the new build job — Falmouth is a deep-water harbour town built around one of the world's largest natural harbours, with a thriving art college, Maritime Museum and a Victorian and Edwardian seafront, with a building stock that leans toward Victorian terraces and post-war suburbs at Trescobeas.
Falmouth sits in South Cornwall — just off the A39; with Truro the closest city; 3 miles from Mawnan Smith.
- Conservation Area
- Cornwall AONB
- Coastal exposure zone
- ✓ Timber-frame with wood-fibre insulation
- ✓ ASHP + underfloor + PV as standard
- ✓ Under 6% cost premium
- ✓ Full building regs sign-off included
Our process
How a Falmouth 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 — Our South Cornwall workload means a Falmouth new build project never has to wait for an out-of-county team to drive down.
Get a free feasibility viewWhat we focus on
New Builds considerations specific to Falmouth.
01
Off-grid services — package treatment plants, borehole supply, off-mains gas — are common on rural Cornish plots and need designing, not assuming.
02
Replacement dwellings have specific volumetric tests — getting the ratio between existing footprint and proposed floor area right is the difference between approval and refusal.
03
AONB and Heritage Coast designations apply to large stretches of the county; isolated new builds outside settlement boundaries face a much higher policy bar.
04
Self-build CIL exemption requires the right documentation in the right order; missing a step costs five-figure sums.
Local context
Why Falmouth is its own job.
Around Falmouth (TR11), falmouth has multiple Conservation Areas — Town Centre, Greenbank, Penryn River and Pendennis — each with its own character appraisal. Article 4 directions remove some permitted development rights in the Town Centre and seafront zones; HMO licensing is a separate active policy area. For new build specifically, parts of Falmouth sit within a designated Conservation Area, which means materials, fenestration and roof pitches all need to read sympathetically with the existing streetscape; 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; coastal salt-laden air around Falmouth drives detailing choices — fixings, render systems and timber treatments all need to be specified for exposure. Reading Falmouth properly up front saves more time than any drawing tool ever will. Most of our new build work in Falmouth lands on Victorian terraces, with detailing that has to nod to the wider Budock Water streetscape.
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
What usually catches new build projects out in Falmouth.
Watch #1
Marine exposure detailing on the harbour edge
Watch #2
HMO licensing pressure from university lets
Watch #3
Conservation Area sash-window restrictions on Arwenack and the Moor
Watch #4
Steep terraced plots above Stratton Place
Falmouth is the hub for these neighbourhoods
We run new builds across Falmouth and the surrounding TR11 neighbourhoods — same studio, same site team.
Local fabric
What sets a Falmouth new build brief apart.
Building stock
Across Falmouth (TR11) we work on Georgian merchants' houses, Victorian terraces, Edwardian seafront hotels and flats, post-war suburbs at Trescobeas, modern student-converted HMOs. Each stock type drives a different new build response — Victorian terraces in particular needs careful detailing here.
Parish & policy
Falmouth is its own town in South Cornwall, with planning history that's specific to the TR11 catchment.
Coverage
We cover TR11 from our studio, with regular new build jobs also running in Mawnan Smith, Penryn, Mylor Bridge. Most Falmouth site visits get booked within the same week.
Do you work in Falmouth regularly?
Yes — Falmouth and the wider TR11 catchment are core territory. We're typically on a South Cornwall site at least once a week, so logistics are baked in, not bolted on.
Request a free visitRecent work nearby
Recent HMO-to-family conversion on Killigrew Road undid 1990s subdivisions and reopened the original spine.
See more recent South Cornwall work →Who this is for
In Falmouth the new build brief is almost always a private homeowner improving a forever home — so we lead with feasibility and long-term value, not show-home rhetoric.
FAQs
Falmouth New Builds — local questions answered.
- Is timber-frame or block best for eco in Falmouth?
- Timber-frame nearly every time — lower embodied carbon, faster on-site programme, better air-tightness detailing. The exception is exposed coastal plots where masonry may still win on maintenance.
- What eco heating works in Falmouth?
- Air-source heat pump with underfloor heating downstairs, radiators upstairs. Ground-source only makes sense on plots with borehole space. PV on the roof pays back in 9–12 years at current rates.
- Does eco spec add much cost?
- £3,200–£4,200/m² for sensible eco spec vs £3,000–£4,000 standard. Under 6% premium for major improvements in comfort and running cost.
- 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. In Falmouth specifically, we'd start by checking the Conservation Area boundary before committing to a direction.
- 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.
- 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.
Other services in Falmouth
Nearby places we cover
Not every Falmouth eco home needs full Passivhaus certification — sensibly specified timber-frame with the right envelope gets most of the benefit for a fraction of the premium.
Design an eco new-build on your Falmouth plot
Free · No obligation
Book a free visit in Falmouth
No obligation. Reply usually same working day.