Loft Conversion Experts and Building Contractor Specialists in Swansea, Neath and Port Talbot

We are trusted loft conversion and building contractor specialists serving Swansea, Neath, Port Talbot and the wider South Wales area. We provide renovations, extensions, bespoke carpentry and timber frame subcontracting, delivering quality workmanship across every project.

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Your Trusted South Wales Experts for Loft Conversions, Renovations, Extensions & More

LL Carpentry deliver high-quality renovations, extensions and bespoke carpentry projects for homeowners and developers across the region. Based in Swansea and working throughout Llanelli, Neath and Port Talbot, our experienced, Federation of Master Builders accredited team take pride in delivering well-planned projects from initial consultation through to completion.

About us

Explore Our Carpentry Services

  • Renovations

    Home renovations in Swansea, Llanelli, Neath & Port Talbot. From modern makeovers to full refurbishments, LL Carpentry delivers quality you can trust.

    House Renovations

  • New Builds

    Expert new build construction in Swansea, Llanelli, Neath & Port Talbot. LL Carpentry deliver high-quality homes built to your specifications, with craftsmanship you can trust.

    New Build Homes

  • Extensions

    Expert house extensions in Swansea, Llanelli, Neath & Port Talbot. Add space and value with LL Carpentry’s trusted, high-quality building service.

    House Extensions

  • General Carpentry

    From bespoke staircases and decking to custom storage solutions, LL Carpentry provides high-quality carpentry services across Swansea, Llanelli, Neath and Port Talbot.

    General Carpentry

  • Loft Conversions

    Loft conversions in Swansea, Llanelli, Neath & Port Talbot. A loft conversion is one of the best ways to add space and value to your home, without moving.

    Loft Conversions

  • Timber Frame Specialists

    Trusted timber frame specialists serving Swansea, Llanelli, Neath and Port Talbot. Our experienced team provide precision carpentry for new builds, extensions and bespoke structures.

    Timber Frames

Why Choose LL Carpentry?

At LL Carpentry, we’re trusted across Swansea, Llanelli, Neath and Port Talbot for professional loft conversions, extensions and full home renovations.

As proud members of the Federation of Master Builders, we deliver specialist building contractor services with clear communication, reliable workmanship and cost-effective solutions on every project.

We’re pleased to share that LL Carpentry has been named a Finalist at the Swansea Bay Business Awards 2026, shortlisted for the Younger Business Person of the Year Award. It’s a welcome acknowledgement of the steady work behind the business and a positive milestone as the team continues to grow and support projects across the region.

Federation of Masters Builders accredited, quality you can trust.

Fully insured & compliant with Welsh building regulations.

We provide free, no-obligation surveys and quotes.

Local, friendly team with over 15 years’ experience.

From design to completion, we handle everything.

We work around your schedule & reply within 24 hours.

Transform Your Home

Transform Your Home

How It Works

Free Survey & Quote – we assess your home and provide a clear, no-obligation quote.

Design & Planning – our team creates a design that maximises your space and complies with building regulations.

Build & Fit-Out – accredited by the Federation of Master Builders, we deliver high-quality craftsmanship.

Completion & Handover – ready for you to move in and enjoy.

Frequently Asked Questions

Thinking about a house extension, renovation or loft conversion in Swansea, Llanelli, Neath or Port Talbot? We’ve answered some of the most common questions our customers ask. If you don’t see your query here, get in touch, we’ll be happy to help.

  • Yes, we provide free, no-obligation quotes for all projects across Swansea, Llanelli, Neath and Port Talbot.

  • Timescales vary depending on the size of the project. We’ll give you a clear schedule during the planning stage so you know exactly what to expect.

  • Absolutely. LL Carpentry are fully insured and accredited by the Federation of Master Builders, giving you peace of mind your project is in safe hands.

  • Not at all , alongside new builds and extensions, we also carry out general carpentry, from decking and staircases to bespoke storage solutions.

  • Yes, home improvements like extensions and loft conversions can increase both the functionality and market value of your property.

Measured by Quality, Backed by Reviews

  • "Lewys and Liam are very efficient carpenters. They cleared my old rotting decking, mended and painted my fence and installed a fairly large amount of composite decking. It looks absolutely beautiful and I'm sure has added value to my home. They are lovely people and very trustworthy to leave alone in your home. Thank you for the excellent job. Caradie James"

    Trust Pilot Review by Caradie James

  • "We just had our dream kitchen from Wren fitted by LL Carpentry. These Guys are professional Polite and punctual. We would highly recommend them to anybody. Andrew and Karen cook."​

    Trust Pilot Review by Andrew Cook

  • "Had a new kitchen installed by Lewys and Liam. Can’t speak highly enough of them. Professional, thorough, friendly and knowledgable. No job was too big. Would recommend to anybody!"

    Trust Pilot Review by Adam Williams

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Upgrade Your Home with Trusted Specialists

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