Our Services

From single-storey extensions to full loft conversions and whole-home renovations, we manage your build from first conversation to final handover.

What We Do

J&N Construction specialises in residential building work across Dorset. Every project is managed personally by Josh, with the same attention to detail and quality craftsmanship that has built our reputation over 15 years in the trade.

Home Extensions

01

Home Extensions

Create the space your family needs

Whether you need a larger kitchen, an extra bedroom, or a new living area, a well-planned extension is one of the best investments you can make in your home. We handle everything from planning and groundworks through to plastering, electrics, and final fit-out.

  • Single and double-storey extensions
  • Rear and side return extensions
  • Kitchen and dining extensions
  • Garage conversions and extensions
  • Full project management from planning to handover
Loft Conversions

02

Loft Conversions

Make the most of the space you already have

A loft conversion is one of the most cost-effective ways to add a bedroom, home office, or living space without losing garden space. We carry out all types of loft conversion, from simple Velux conversions to full dormer and hip-to-gable builds.

  • Velux / rooflight conversions
  • Dormer loft conversions
  • Hip-to-gable conversions
  • Mansard conversions
  • Structural work, insulation, and staircase installation
Renovations & Refurbishments

03

Renovations & Refurbishments

Transform your existing home

From a full whole-home refurbishment to a targeted renovation of a single room or floor, we bring the same level of care and quality to every project. Whether you're updating an older property or reconfiguring your layout, we'll help you get the most from your home.

  • Whole-home and floor-by-floor refurbishments
  • Kitchen and bathroom renovations
  • Internal layout changes and structural alterations
  • Period property renovation and restoration
  • Re-plastering and re-wiring

How It Works

A straightforward process from first enquiry to finished build.

01

Get in Touch

Tell us about your project. A quick call or message is all it takes to get started. We'll ask a few questions to understand what you're looking for.

02

Free Site Visit & Quote

We'll visit your property, take measurements, and discuss your plans in detail.

03

Planning & Preparation

Once you're happy to proceed, we handle any planning applications, building regulations, and material sourcing before work begins.

04

The Build

We manage the full build, keeping you updated throughout. Our sites are kept clean and tidy, and we work around your schedule wherever possible.

05

Handover

Once the work is complete, we walk through everything with you to make sure you're completely happy before we sign off the project.

Making More of Your Home

Your home should work for the way you live. Whether you need additional living space, a more functional layout or a complete transformation, we help homeowners make the most of their properties with carefully considered building solutions tailored to their needs.

We offer free, no-obligation quotes for all projects across Dorset.

Ready to Get Started?

Get in touch today for a free, no-obligation quote. We work with homeowners across Dorset and aim to respond within one working day.