Commercial Construction & Fit-Out Services – Martyr Group

Gold letter M inside a blue circle with a textured background.

At Martyr Group, we deliver premium commercial construction and fit-out solutions for businesses across Sussex. From full-scale refurbishments to structural extensions and detailed interior installations, we create workspaces that reflect professionalism, practicality, and design excellence.

Whether you’re reconfiguring your premises, opening a new office, or upgrading a retail environment, we bring hands-on expertise and tailored project management to deliver exceptional results.

Our Commercial Services

  • Office Refurbishments

    We help businesses maximise the value of their commercial space through thoughtful, modern refurbishments. From open-plan redesigns to meeting room fit-outs, we focus on functionality, flow, and finish.

  • Retail Fit-Outs

    We design and deliver high-spec retail interiors that elevate your brand and optimise the customer experience. Our team handles everything from structural reworks to custom carpentry and feature lighting installations.

  • Commercial Extensions & Structural Work

    Whether you’re expanding your floorplan or enhancing a dated layout, we provide structural alterations and extensions with minimal disruption to your operations.

  • Joinery & Interior Features

    Our skilled craftsmen create bespoke joinery for receptions, client areas, kitchens, and break-out spaces—built to your spec and aligned with your brand.

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Our Projects

  • Modern kitchen with light gray cabinets, wooden countertops, and an island. Features a built-in oven, stove, and a tiled backsplash. Contains various kitchen items like a fruit bowl, utensil holder, and a chopping board with vegetables.

    BN41, Mile Oak Road

  • Modern bathroom with geometric patterned floor tiles, a walk-in shower with glass enclosure, a vanity with two sinks, illuminated mirrors, a window, and light wood door.

    BN3, Braemore Road

  • Tudor-style house with brick and timber facade, blue sky background

    BN3, Queen Victoria Ave

  • Interior view of an unfinished wooden attic or loft conversion under construction, showing exposed beams, insulation, and construction tools.

    BN3, Braemore Road (Loft Conversion)

  • Room with a wooden window frame and floral wallpaper, view of trees and houses outside.

    BN3, Bespoke Window Seat

  • Open-plan kitchen and dining area with wood flooring, modern white cabinets, and a large sliding glass door opening to a backyard with a patio and lawn.

    BN3, Holmes Avenue

Why Choose Us

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Proven expertise in premium residential and commercial builds

Detail-driven craftsmanship from start to finish

Transparent pricing, clear timelines, and constant communication

Trusted by clients across Sussex and surrounding areas

Interior view of a building under construction, featuring exposed wooden beams, partially completed walls, and construction tools on the floor.

Speak to our team:
01273 950 123
info@martyr.group.co.uk

Areas We Serve

We proudly work with homeowners across West Sussex and East Sussex, including:

  • Hassocks

  • Hurstpierpoint

  • Ditchling

  • Lewes

  • Haywards Heath

  • Burgess Hill

  • Brighton and surrounding areas

Map of Southeast England showing locations including Worthing, Brighton, and Haywards Heath, with a red circle highlighting the area. Major roads such as A23 and A27 are visible.

FAQ’s on Commercial Services

  • We deliver office refurbishments, retail fit-outs, structural extensions, and bespoke carpentry installations for businesses across Sussex. Every project is tailored to the client’s requirements, balancing aesthetics, functionality, and high-quality finishes.

  • Yes. We understand that downtime can impact operations. Our commercial division can schedule work outside of regular business hours to minimise disruption and ensure smooth delivery.

  • Project duration depends on scale and complexity. Small office refurbishments may take a few weeks, while larger fit-outs or structural extensions can take several months. We provide detailed schedules and progress updates throughout.

  • Yes. Martyr Construction is a proud member of the FMB, which means our workmanship, financial stability, and compliance with building regulations are independently verified. Clients also benefit from FMB-backed warranties and dispute resolution services.

  • Each project is overseen by a dedicated project manager who coordinates all trades and suppliers, provides regular updates, and ensures adherence to timelines, budgets, and quality standards. We are fully insured and compliant with all UK building regulations.

Contact us

We would love to hear from you. Whether you are planning your next project or just want to learn more about our services, our team is here to help.

Reach out by phone or email, or fill out the form below, and we will get back to you promptly. Let’s start creating something exceptional together.