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Premier Building Services — extensions and loft conversions

Loft Conversions & Extensions

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  • Over 40 Years of Expertise
  • Complete Project Management
  • No-Obligation, Free Quote
  • Fully Insured & Certified Builders

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Free quote

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  • Over 40 Years of Expertise
  • Complete Project Management
  • No-Obligation, Free Quote
  • Fully Insured & Certified Builders
  • Trusted by Homeowners Across Dorset
Timber clad dormer extension above bifold doors
Bright empty loft room with large window
40+ Years building
in Dorset

Service Overview

Loft Conversion & Extension Services

Loft conversions and extensions are an effective way to add space, functionality, and value to your home without the need to move. Whether you are creating additional bedrooms, living areas, or expanding your ground floor, Prem Build deliver tailored solutions that integrate seamlessly with the existing property. We manage the project from initial consultation through to completion, coordinating all trades and stages of the build.

1985

Established in Bournemouth

5.0

Rated on Google

1

Contractor for every trade

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What's included

What’s Included in a Loft Conversion or Extension

Depending on the scope of the project, loft conversion and extension works can include:

Grey cladded dormer window on tiled roof

All work is tailored to the property, layout, and agreed design.

  • 01

    Structural alterations and load bearing works

  • 02

    Roof modifications and dormer construction

  • 03

    Internal layout creation and stair installation

  • 04

    Electrical, plumbing, and heating extensions

  • 05

    Plastering, flooring, and internal finishes

  • 06

    Full project management and coordination

Accredited and checked

Our Accreditations

  • Buy With Confidence, Trading Standards approved
  • Federation of Master Builders member
  • TrustMark Government Endorsed Quality
  • Rated 5.0 stars on Google

Our process

Our Loft Conversion & Extension Process

At Premier Building Services, we believe the best results come from a clear, structured process. From the initial site visit to the final inspection, we manage every stage with precision and transparency, keeping you informed and involved at every step.

Finished loft conversion room with sloping ceilings, a new window and freshly laid carpet Call today07802 693464
  1. 01

    Initial Site Visit & Consultation

    We begin with a site visit to assess the property, discuss your requirements, and determine the feasibility of the loft conversion or extension.

  2. 02

    Design, Planning & Advice

    Guidance is provided on layout, structure, and design, along with advice on planning permission and building control where required.

  3. 03

    Detailed Quotation & Programme

    A clear and detailed quotation is supplied outlining the agreed works, timescales, and costs before work begins.

  4. 04

    Build & Project Management

    The project is managed from start to finish, with all trades coordinated to ensure efficient progress and minimal disruption.

  5. 05

    Completion & Final Sign Off

    Final inspections are carried out to ensure the work meets the agreed specification before sign off.

Why choose us?

Experienced Local Builders Since 1985

Prem Build are an established, Bournemouth based building contractor with decades of experience delivering residential construction and renovation projects. We take a structured, hands on approach to every build, ensuring clear communication, practical decision making, and consistent project management from start to finish.

We give every project a practical, honest approach, with clear communication at each stage.

  • 40+ Years’ Experience

  • Fully Insured & Certified

  • End-to-End Project Management

  • Transparent Communication

Get started
New gable dormer clad in grey weatherboard with full-height glazing and a glass Juliet balcony
Finished rendered chalet front with grey cladding, oak sleeper retaining wall and new driveway
Flat roof terrace with three roof lanterns beside a new glazed gable

Since

1985

Before and after

The difference our work makes

Drag the handle across each photo to compare the same room or elevation before we started and after handover.

After: The same kitchen extension finished with navy shaker units, an island and herringbone flooring Before: Kitchen extension before fit-out, with bare plasterboard, exposed cables and new bi-fold doors

Kitchen extension

Bi-fold doors, navy shaker kitchen and herringbone floor

Our builds

Discover Our Builds

See more projects
  • Rendered extension corner with glazed side door

    Rendered extension corner with glazed side door

  • Bright empty loft room with large window

    Bright empty loft room with large window

  • Dark fitted kitchen with island and bifold doors

    Dark fitted kitchen with island and bifold doors

  • Grey cladded dormer window on tiled roof

    Grey cladded dormer window on tiled roof

  • Open-plan kitchen extension with bifold doors

    Open-plan kitchen extension with bifold doors

  • Poole Home Remodelling

    Poole Home Remodelling

Reviews

Client Feedback And Success Stories

5.0 Rated on Google

Excellent from start to finish

Steve and his team recently transformed our property. The removal of a bay window, the building of an extension, many internal renovations and removing the exterior rendering, then re-rendering and painting. We could not be happier. Throughout Steve and everyone he employed were professional, polite, prompt, reliable and cheerful.
Vera & Graham

FAQ's

Loft Conversions & Extensions FAQs

Still have a question?

Speak to Steve directly about your property.

07802 693464

How long does a loft conversion or extension take?

Timescales vary depending on the size and complexity of the project. A clear programme is agreed before work begins.

Will planning permission be required?

Some projects fall under permitted development. This is assessed and discussed during the initial consultation.

Can we live in the property during the build?

In many cases, yes. This depends on the scope and phasing of the works.

Do you manage building control and inspections?

Yes. Building control and inspections are coordinated where required.

Let's talk

Discuss Your Loft Conversion or Extension Project

If you are considering a loft conversion or extension, speak to Prem Build to arrange a site visit and discuss your plans in detail.

Request a Consultation Call us today07802 693464