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Services · Caerphilly, Newport & South Wales

Extensions

Single and double-storey extensions designed and built as one seamless project.

Extensions by JP Carpentry Design & Construct
Overview

Single and double-storey extensions designed and built as one seamless project.

More space, more light, more value. We take extensions from the first sketch through structural work, roofing, glazing and a fully finished interior — one team, one point of contact.

Quotes
Free and no-obligation
Based in
Caerphilly, South Wales
Established
2017
What's included

Done properly, from first fix to final coat

  • 01

    Design-led

    We help you plan a layout that works for how you actually live, not just how much floor space you can add.

  • 02

    Full build

    Groundworks, structural steels, timber frame, roofing, windows and doors — all handled in-house or by our trusted trades.

  • 03

    Finished properly

    Plastering, flooring, kitchens, bathrooms and decoration so you move straight in, not onto a snagging list.

  • 04

    Planning support

    Guidance on permitted development, planning permission and building regulations from day one.

Recent work

A closer look

Tap an image to view it full size.

How it works

What happens, and when

Every project follows the same clear path, so you always know what is coming next and who to speak to.

How we work in detail
  1. 1

    Free site visit and consultation

    Stage 1 of 5

  2. 2

    Design, drawings and a fixed quotation

    Stage 2 of 5

  3. 3

    Structural work and weather-tight shell

    Stage 3 of 5

  4. 4

    First fix, plastering and second fix

    Stage 4 of 5

  5. 5

    Finishes, decoration and handover

    Stage 5 of 5

Questions

Extensions, answered

A few of the things people ask before they book us. If yours is not here, just ask.

“I have been so impressed with Joe's work from start to finish. Excellent communication, time management on the project, the quality of workmanship. I can't fault his work. Thank you so much for such an excellent job on realising my vision of the loft conversion. I can highly recommend Joe and his team.”

F Fiona Lewis Loft conversion · Caerphilly
Many single-storey rear extensions fall under permitted development, but it depends on size, position and your property. We advise on this at the first visit and can liaise with the local authority on your behalf.
A typical single-storey extension takes 8–14 weeks from breaking ground to handover. Double-storey and open-plan projects can take longer, and we give you a realistic programme before we start.
Yes. Kitchens, bathrooms, tiling, plumbing and flooring are all part of what we do, so the whole project is managed by one team.
Start your project

Ready to transform your home?

Free, no-obligation quotes. No job too big or small. Tell us what you have in mind and Joe will be in touch to arrange a visit.