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Premier Building Services — extensions and loft conversions

Structural Alterations Bournemouth

Trusted Structural Alteration Specialists Serving Bournemouth Homes

Request a Site Visit 07802 693464
  • Over 40 Years of Expertise
  • Complete Project Management
  • No-Obligation, Free Quote
  • Fully Insured & Certified Builders

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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
Rear extension under construction, with new blockwork walls, a timber roof frame and a gable dormer sheathed in OSB boarding
Brick house under scaffolding with its new roof wrapped in green membrane, and the Premier Building Services van parked on the drive
40+ Years building
in Dorset

Service Overview

Structural Alteration Services

Structural work is often the foundation of a successful renovation — whether you’re opening up a room by removing a load-bearing wall, reconfiguring an internal layout, or converting a basement into usable living space. Premier Building Services carries out structural alterations to full UK Building Regulations standard, coordinating structural surveys, engineer sign-off, and building control throughout, so the work is safe, compliant, and built to last.

From load-bearing wall removal to bright, open-plan living, we open up tired layouts and make far better use of the space you already have. Every change is designed around your home and how you want to live in it.

We handle structural changes for home renovations and extensions too, so this work can sit within a wider project.

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 Structural Alterations

Every job is designed around your property and the layout you want. Depending on the scope, structural alteration work can include the following.

Timber clad dormer extension above bifold doors

All work is planned around the agreed design and specification, in line with UK Building Regulations.

  • 01

    Load-bearing Wall Removal

  • 02

    Internal layout reconfiguration

  • 03

    Basement Conversions

  • 04

    Steel Beam (RSJ) Installation

  • 05

    Structural Surveys and Building Regulations Coordination

  • 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 Structural Alteration 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.

Modern fitted kitchen design with dark worktops Call today07802 693464
  1. 01

    Initial Site Visit & Consultation

    We assess the existing structure, discuss what you’re trying to achieve, and identify any load-bearing elements involved.

  2. 02

    Design, Planning and Advice

    Where required, a structural engineer assesses the work and provides calculations for building control.

  3. 03

    Detailed Quotation and Programme

    A clear quotation is issued outlining the agreed works, timelines, and costs before work begins.

  4. 04

    Build and Project Management

    All trades are coordinated to carry out the structural work safely and to specification.

  5. 05

    Completion and Final Sign Off

    Building control sign-off is obtained where required, and final checks confirm the work meets the agreed specification.

Why choose us?

Experienced Local Builders Since 1985

Prem Build are an established, Bournemouth based building contractor with decades of experience delivering structural alterations and renovation projects to homeowners across Bournemouth and the wider Dorset area. We take a structured, hands-on approach to every project, ensuring clear communication, proper building regulations compliance, and consistent project management from start to finish.

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

  • 40+ Years’ Experience

  • Fully Insured & Certified

  • End-to-End Project Management

  • Transparent Communication

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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

Our Structural Alterations Projects

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

Structural Alterations FAQs

Still have a question?

Speak to Steve directly about your property.

07802 693464

What are structural alterations in a home?

Structural alterations are changes to the parts of a house that carry weight, such as load-bearing walls, beams and supports. They include removing internal walls, fitting steel beams, and opening rooms. Because these elements hold the building up, the work must be designed and carried out safely by experienced professionals.

Do I need structural alterations for an open-plan layout?

Often, yes. Creating an open plan kitchen, dining and living space usually means removing one or more internal walls. If any of those walls carry weight, a supporting beam is needed in their place. We assess your layout, confirm which walls are structural, and design a safe way to open the space.

How do you ensure structural work meets building regulations?

We work with structural engineers where required and coordinate directly with building control to ensure all work is signed off correctly.

How do I know if a wall is load bearing?

Load-bearing walls usually run at right angles to the floor joists, sit above another wall or beam, or support the floor above. It is not always obvious from the surface, so it is best not to guess. We can inspect your property and confirm exactly which walls are structural before any work begins.

How long does load-bearing wall removal typically take?

This depends on the scope and whether temporary support is needed during the work, but most single wall removals take a few days once building control approval is in place.

Do structural changes require approval?

Most structural alterations do not need planning permission, but they must meet Building Regulations. Removing or altering a load-bearing wall requires building control approval and, in some cases, a party wall agreement with neighbours. We arrange the structural calculations, inspections, and paperwork for you, so the work is fully compliant.

How long do structural alteration projects take?

A single wall removal with a new beam can often be completed in one to two weeks. Larger jobs, or structural work forming part of a bigger renovation or extension, take longer. We give you a clear programme after assessing the job, so you know what to expect and when.

Do you work with a structural engineer?

Yes. Every structural change we make is based on calculations from a qualified structural engineer, so beams and supports are correctly sized for your home. We handle this coordination as part of the service, which keeps the work safe, compliant, and straightforward from start to finish.

Let's talk

Discuss Your Structural Alterations Project

If you’re planning structural work in Bournemouth, speak to Prem Build to arrange a site visit and discuss your requirements.

Request a Consultation Call us today07802 693464