Mid Cornwall · TR3
Loft Conversions in Stithians
A well-designed loft conversion adds a bedroom, an en-suite and useful storage to homes that were never built with the upper floor in mind — usually inside permitted development and almost always cheaper per square metre than extending sideways. The Stithians version of this work has its own character — Stithians is a village south of Redruth with the Stithians Reservoir nearby, a Norman church and a Conservation Area covering the village core, with a building stock that leans toward post-war bungalows and barn conversions.
Stithians sits in Mid Cornwall — covering TR3 from Ponsanooth, Constantine, Mabe Burnthouse outward.
- Conservation Area
- Rural / open-countryside policy area
- ✓ Local to Mid Cornwall — not a national franchise
- ✓ Same team on paper as on site
- ✓ Fixed-fee planning packages, no surprise invoices
- ✓ Measured-survey accuracy from day one
Local watch-list
What usually catches loft conversion projects out in Stithians.
Watch #1
Conservation Area material and fenestration controls in central Stithians
Watch #2
Tighter Local Plan tests on isolated rural dwellings
Who this is for
Stithians runs the full mix — owner-occupier, holiday-let, commercial and the occasional smallholding — so we scope every loft conversion enquiry from the use-class up.
Local context
Why Stithians is its own job.
Conservation Area covers the village core. Reservoir SSSI to the south and A39 corridor shape edge-of-village development. For loft conversion specifically, parts of Stithians sit within a designated Conservation Area, which means materials, fenestration and roof pitches all need to read sympathetically with the existing streetscape; 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. So every Stithians job runs as a TR3-specific piece of work — local policy, local fabric, local builders. Most of our loft conversion work in Stithians lands on post-war bungalows, with detailing that has to nod to the wider Constantine streetscape.
Planning note
Most Cornish loft conversions are permitted development — but a Certificate of Lawfulness is worth the extra week and small fee for resale protection.
What we focus on
Loft Conversions considerations specific to Stithians.
01
Cornish slate roofs come in a huge range of pitches — anything below a 30° pitch struggles to give usable headroom without raising the ridge.
02
Permitted development volume allowances are 40 cubic metres on a terrace and 50 on a detached or semi — but rear dormers in Conservation Areas often need full planning.
03
Building regs require minimum 2.0 metre headroom over the stairs and 30-minute fire protection on the existing stair enclosure — both shape the design.
04
Stairs eat space — a loft conversion lives or dies by where the new staircase lands and what it costs you on the floor below.
Our process
How a Stithians loft conversion project runs.
Step 1
Feasibility
Roof, headroom, stair landing and structural assessment.
Step 2
Design
Layout options that respect the staircase, headroom and bathroom positioning.
Step 3
Approvals
Planning or permitted development confirmation, plus building regs.
Step 4
Build
Sequenced to keep the family living downstairs throughout most of the work.
Step 5
Handover
Finish, snag, certify, hand over the keys.
Loft conversions typically run six to eighteen weeks on site depending on type, with four to eight weeks of design and approvals beforehand.
FAQs
Stithians Loft Conversions — local questions answered.
- How long does a loft conversion take?
- Allow six to ten weeks on site for a Velux conversion, eight to fourteen weeks for a dormer, twelve to eighteen weeks for hip-to-gable. Add four to eight weeks for design and regs beforehand. In Stithians specifically, we'd start by checking the Conservation Area boundary before committing to a direction.
- Will it add value?
- An extra bedroom and bathroom typically adds noticeably more value than the build cost in most Cornish markets — but the value matters less than the daily use you'll get from the space.
- How much does a loft conversion cost?
- A simple Velux conversion starts around £30,000 in Cornwall; a rear dormer with en-suite typically runs £45,000 to £65,000; hip-to-gable and mansards more. Stair location and bathroom complexity drive most of the cost.
- Will I have enough headroom?
- We need a minimum 2.2 metres ridge-to-joist before alterations to make a usable conversion straightforward. Less than that and we'd consider raising the ridge, which is a planning conversation, not a permitted development one.
- Do I need planning permission for a loft conversion?
- Often no — most loft conversions sit inside permitted development on a typical Cornish house. Conservation Areas, AONB and properties on principal elevations need full planning, and we'll confirm at first review.
Local proof — Our Mid Cornwall workload means a Stithians loft conversion project never has to wait for an out-of-county team to drive down.
Get a free feasibility viewOther services in Stithians
Nearby places we cover
If you're considering a loft conversion project in the TR3 area, our deep understanding of Stithians's architectural character can help navigate the process smoothly.