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A modern red-brick detached house with a gabled roof and a spacious driveway surrounded by greenery.

Pontypridd builders with five years' building experience

Direct contact from first quote to final handover. Core specialists in extensions, loft conversions and resin driveways. Larger projects and smaller repairs handled.

How the first conversation usually goes

Call and talk it through

Tell us what you need, what is there now and what you want the property to do better.

We size up the job

We look at the space, access and condition so the quote reflects the work properly.

Work starts with a plan

Once agreed, we schedule the build and keep communication direct from start to finish.

Space-making, structural and driveway work

A man in a blue jumper holds architectural plans in a partially constructed room.

Structural Building Work

Change the layout safely with careful propping, specified supports and structural work made good to match the house.

Modern home extension with open-plan kitchen and dining area, featuring large bi-fold doors opening onto a garden patio.

Single Storey Extensions

Gain ground-floor space for cooking, dining or everyday living with an extension that connects properly to the house.

Modern kitchen with an island and dining table, featuring large glass doors opening to a garden.

Kitchen Extensions

Make space for proper storage, prep and family life with a kitchen extension planned around daily use.

A modern two-storey house with cream and brick exterior and large glass doors opening to a well-maintained garden.

Double Storey Extensions

Add useful space on two levels with a build that balances structure, layout and a finish that still fits your home.

Semi-detached house with a grey door, bay window, and small front garden in a residential area.

Building Repairs

Small faults rarely stay small. We trace the cause, repair the damage and make good before it spreads.

Modern brick house with large glass doors opening to a garden patio and outdoor seating area.

House Extensions

Stay in the home you know and gain the room you need with extension work planned around layout, light and build.

Close-up of a sliding glass door leading to a modern patio with brick and stucco walls.

Building work that solves real problems at home

If your house feels too tight, too dated, or full of awkward corners, you do not always need to move. We carry out building work in Pontypridd and across Cardiff and the surrounding towns, helping homeowners add space, improve layouts, and sort the jobs that have been put off for too long.
Our main specialisms are house extensions, loft conversions, and resin driveways, and we keep the conversation direct from the first quote through to the finished job.

Our reviews

Read our reviews on Yell

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One builder for major projects and smaller jobs

Some jobs need months of planning. Others are smaller but still need doing properly. We take on both. That means you can come to us for a full extension, a loft project, structural changes, a driveway rebuild, a resin overlay or a targeted repair. The work is different, but our approach stays the same: look closely at the property, scope the job honestly and keep you informed so you know what is happening and what comes next.

Open-plan living area with wooden floors, a dining table, modern kitchen, potted plants, and a grey sofa.

What you get when you bring us in

Clear project oversight

The same small team stays involved from the quote to the final finish.

Work matched to the job

From major builds to local repairs, we take on work at the right scale.

Driveway options explained

We talk through full resin builds, bound finishes and overlays clearly.

A modern red-brick detached house with a gabled roof and a spacious driveway surrounded by greenery.

Speak to us about the work you need done

Call us to discuss extensions, lofts, driveways or repairs and we will help you work out the sensible next step.

Contact us

JCW Design & Build Limited

2 Oakland Terrace, Cilfynydd, Pontypridd CF37 4HB, UK

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    JCW DESIGN & BUILD LIMITED, registered as a limited company in England and Wales under company number 12419672. Registered Company Address: 42 Oakland Terrace, Cilfynydd, Pontypridd, United Kingdom, CF37 4HB.

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