Low Carbon.
High Impact.
Hampshire.
We design and build sustainable home extensions, conversions and renovations across Hampshire — pairing traditional craftsmanship with modern, low-carbon construction methods.
Services Built to Last
From single-storey extensions to full renovations, every project is delivered with low-carbon methods and uncompromising craftsmanship.
Home Extensions
Single and two-storey extensions that add space, light, and lasting value.
Renovations
Full property renovations restoring character with modern performance.
Loft Conversions
Unlock your roof space with light-filled, energy-efficient conversions.
Garage Conversions
Transform unused garages into warm, usable living or working spaces.
Low-Carbon Methods
SIP panels, timber frame and modular systems that cut embodied carbon.
Project Management
Planning, design and build delivered end-to-end by one accountable team.
Built on Four Foundations
The standards that define how we build, how we work, and how we treat your home.
Sustainability First
Every build is specified to minimise embodied carbon and lifetime energy use, using renewable materials and modern methods of construction.
Hampshire Local
Born and based in Hampshire, we understand local planning, conservation areas, and Hampshire's building traditions inside out.
Fixed Accountability
One team from first sketch to final handover. Transparent pricing, clear timelines, and a single point of contact throughout.
Craft & Safety
Trusted craftspeople, rigorous site safety, and finish standards that we're proud to put our name to.
Materials that mean what they say.
We don't hide behind jargon. From traditional brick-and-block to Metsec steel framing and high-performance SIP panels, we'll explain the build method that suits your home, your budget, and your carbon footprint — clearly.
Explore Our MethodsWork With Us
LCCDL partners with reliable local trades and builders across Hampshire. If you take pride in your work, we want to keep you busy.
We're a Hampshire-based low-carbon construction company with a growing book of extensions, conversions and renovations. We build long-term relationships with sub-contractors and independent builders who share our standards — clean sites, quality finishes, and honest communication. If you cover any of the trades below and operate in the Hampshire area, we'd like to hear from you.
Trades We're Looking For
Bricklayers & Masons
Skilled brick-and-block workers for extensions, conversions and facing work.
Carpenters & Joiners
First and second fix, bespoke joinery, SIP and timber-frame erection.
Groundworkers
Foundations, drainage, slab work and site set-up across Hampshire.
Plasterers & Finishers
Wet plaster, dry-lining, rendering and high-spec internal finishes.
Electricians & Plumbers
Part P and Gas Safe-registered trades for low-carbon and standard fit-outs.
Roofers
Pitched and flat roofing, rooflights and warm-deck systems.
What We Offer Trades
Steady Pipeline
A consistent run of Hampshire extensions and conversions, not one-off jobs.
Fair, Prompt Payment
Agreed rates paid on time, every time — no chasing, no excuses.
Organised Sites
Clear drawings, programmed schedules and a site that's ready when you arrive.
One Accountable Team
A single point of contact so nothing falls between the cracks.
How to Join Our Pool
Get in Touch
Send us your trade, areas you cover, and typical day rates or quotes.
Quick Chat
We'll arrange a short call to understand your skills, availability and preferred work.
Site Trial
We'll book you onto a live Hampshire project so both sides can see how we work.
Ongoing Work
Join our trusted pool of trades for a steady stream of local projects.
A Hampshire Trade? Let's Talk.
Send your trade, the areas you cover, and your typical rates. We'll come back to you about upcoming Hampshire projects.
Multiple Units. Off-Site Built.
For multi-residential projects we use off-site manufacture and rapid on-site assembly — pairing SIP and Metsec systems to deliver consistent, low-carbon homes at scale.
Repeatable panel designs deliver consistent quality across every unit
Parallel off-site fabrication compresses the on-site programme
Reduced waste, fewer deliveries and quieter, cleaner sites
Airtight, thermally efficient envelopes for low-running-cost homes
SIP Panels
Off-Site Manufacture
- 01Panels cut to millimetre accuracy in factory from architects' CAD files
- 02OSB skins bonded to rigid PIR core under controlled conditions
- 03Service routes, openings and edge details pre-formed
- 04Quality-checked and palletised ready for haulage
On-Site Assembly
- 01Sole plate set and levelled on prepared substructure
- 02Wall panels craned and jointed with expanding foam sealant
- 03Roof panels installed for continuous warm-deck envelope
- 04Joints taped for airtightness; weathertight within days
Metsec Steel Framing
Off-Site Manufacture
- 01Galvanised cold-rolled sections roll-formed and punched to spec
- 02Panels assembled and squared on jigs, service holes pre-punched
- 03Numbered and stacked per erection sequence
- 04Lightweight loads — minimal crane and transport requirements
On-Site Assembly
- 01Track fixed to slab, panels tilted into position and bolted
- 02Large open spans achieved without heavy steel beams
- 03Boarding, insulation and breather membrane applied
- 04Ideal for loft conversions and extension framing
Ready to start your build?
Book a free, no-obligation site visit. We'll talk through your ideas, the right construction method, and a clear budget — all before you commit to anything.
Book a Free Consultation