South Cornwall · TR11 · Cornwall Council Central
Permitted development in Falmouth — what's allowed without planning
Most Falmouth homeowners have more PD rights than they realise — but the Conservation Area removes the big ones (rear extensions, side extensions, cladding changes). Below is what's typically allowed on a TR11 property — and what catches people out. We prepare and submit planning applications to Cornwall Council and, where relevant, the Isles of Scilly authority — handling drawings, statements, validation queries and officer negotiation from start to determination. In Falmouth, that work is shaped by the place itself — 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 post-war suburbs at Trescobeas and Victorian terraces.
Falmouth sits in South Cornwall — just off the A39; with Truro the closest city; covering TR11 from Penryn, Mylor Bridge, Mawnan Smith outward.
- Conservation Area
- Cornwall AONB
- Coastal exposure zone
- ✓Rear extension up to 3m (terraced/semi) without planning
- ✓Loft volume up to 40m³ (terrace) under PD
- ✓Outbuildings up to 2.5m eaves height
- ✓Lawful Development Certificate from £100
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Page purpose
What you actually get on a Falmouth planning application drawings package
This is a drawings-led service. You are buying a documented, submission-ready set for a TR11 address, not a build contract. For most Falmouth householders that means a measured survey, an honest feasibility view, then the drawings the council and your builder both need.
- Measured survey and existing drawings before any proposal is drawn
- A written planning route for the TR11 address, including whether permitted development is realistically available
- Proposed plans, elevations and site plan at the scales the authority expects
- Submission and validation handling, plus responses to officer queries
Scope
What we can draw, survey and build around Falmouth
Not every project needs every stage. On a Falmouth job we scope to what the site and the consent route actually require.
Planning application drawings
Existing and proposed plans, elevations, site and block plans drawn to validation standard.
Construction and technical drawings
1:10 and 1:20 details for the parts of the job builders normally have to guess at.
Commercial drawings
Change of use, fit-out and access documentation for Class E and mixed-use premises.
Building regulation drawings
Full Plans sets with sections, construction notes and coordinated structural information.
Measured survey
An accurate record of what is actually there, which is where most avoidable cost is removed.
Local watch-list
Falmouth-specific issues we screen on the first visit.
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
Who this is for
Why this page exists, and who it is for
- Designated-area work is routine here, so heritage and landscape statements are produced alongside the drawings rather than outsourced.
- Sites we know on the ground here include the area around Discovery Quay and Gyllyngvase Beach.
- Drawings, planning and building regulations are all produced in-house, so a planning application enquiry does not get passed between firms.
- Design and build are offered from the same studio, which means the person answering your Falmouth questions has seen the detail built.
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
Planning considerations specific to Falmouth.
01
Cornwall's Local Plan policies on second homes, holiday lets and principal residence restrictions affect what's likely to gain consent in some parishes.
02
Tree Preservation Orders, ecology surveys and neighbour consultation responses can change the validation list mid-application.
03
Article 4 directions in some parishes remove permitted development rights you'd normally rely on elsewhere.
04
Pre-app responses are not binding but they are a strong steer — and worth the fee on anything contentious.
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For projects in Falmouth and the TR11 area.
Local context
Why Falmouth is its own job.
Locally, 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 planning application 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. Which is why we scope Falmouth projects parish-up, not template-down — the TR11 context shapes the design from day one. Whether the project is on post-war suburbs at Trescobeas in the centre or further out toward Penryn, the planning application response is locally tuned. Where a property sits inside a conservation area or is listed, the assessment tends to turn on materials, window detailing and how visible the change is from the street rather than floor area alone. Cornwall Council's conservation team, or the Planning Portal, is the right place to confirm what applies to a specific address. Coastal sites tend to raise questions about roof form, glazing exposure and how a scheme reads from public viewpoints. Those are policy judgements rather than fixed rules, so the local planning authority or the Planning Portal should confirm the position for a given plot.
Planning note
Cornwall Council's planning team is among the busiest in the South West. A clean, well-documented submission moves through validation faster than a bare-minimum one.
Recent work nearby
Gyllyngvase clifftop terrace we worked on used aluminium-clad joinery for the sea-facing elevation.
See more recent South Cornwall work →Our process
How a Falmouth planning application project runs.
Step 1
Initial review
We assess constraints — Conservation Area, AONB, listed status, Article 4, TPOs, flood zone.
Step 2
Strategy
We recommend the right application type and likely fee, programme and supporting documents.
Step 3
Drawing and statement preparation
Plans, elevations, sections, block and location plans, plus DAS and any heritage or ecology input.
Step 4
Submission and validation
We upload to the Planning Portal, pay the council fee on your behalf and respond to validation requests.
Step 5
Determination
We monitor consultation, respond to officer queries and negotiate amendments where it improves the chances of approval.
Householder applications are typically eight to twelve weeks from validation; full planning runs thirteen to sixteen weeks; major or contentious schemes can take longer.
FAQs
Falmouth Planning — local questions answered.
- What's permitted development in Falmouth?
- Single-storey rear extensions up to 3m (terraced/semi) or 4m (detached), loft conversions up to 40m³ (terrace) or 50m³ (semi/detached), and most outbuildings under 2.5m eaves. Conservation Area removes side extensions, cladding and roof extensions from PD.
- Do I need to apply for anything if it's PD?
- Legally no, but a Lawful Development Certificate (LDC) costs about £100 and gives Cornwall Council's confirmation in writing. We strongly recommend it for resale and for any neighbour disputes.
- What removes PD rights in Falmouth?
- Conservation Area designation, Article 4 directions, flats and maisonettes, and any deed restriction from a previous planning permission. We check all four before quoting.
- We live in the house. Can a planning application in Falmouth 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 Falmouth are often easier if you move out for a few weeks. We set that expectation at feasibility stage rather than halfway through.
- Do you handle listed building consent?
- Yes. Listed Building Consent runs alongside planning where works affect a listed structure, including some interior alterations. The drawing detail and Heritage Statement are fundamentally different from a standard planning pack. In Falmouth specifically, we'd start by checking the Conservation Area boundary before committing to a direction.
- Do I need to consult my neighbours before applying?
- You don't have to — the council formally consults them — but a quiet conversation early on usually pays off. Objections from neighbours are weighed by the planning officer and can be the deciding factor on borderline schemes.
Keep reading
Follow the chain: survey, drawings, build
We cover Falmouth and the wider TR11 district directly. Planning enquiries here are common enough that we know the constraints before the first visit.
Other services in Falmouth
Nearby places we cover
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