What We Do

Our Services

From foundations to finishing touches, Fortis delivers construction, groundworks, and maintenance solutions across Hampshire & Surrey.

Full-Service Capability

One contractor.
Every stage covered.

Fortis Construction & Maintenance Ltd brings over 15 years of experience to every project. We handle everything in-house — from initial groundworks and structural builds through to landscaping and ongoing property maintenance — giving you a single, reliable point of contact throughout. No subcontracting surprises. No finger-pointing between trades. Just quality work, done properly.

Service 01

New Builds & Extensions

From concept to completion, built to last generations.

Whether you're building a brand-new home from the ground up or adding extra space to your existing property, Fortis delivers every project with precision and pride. We manage the entire process — from structural groundworks through to final finishes — so you don't have to coordinate multiple contractors.

Full new residential builds
Single & double storey extensions
Loft conversions & dormer builds
Garage conversions
Structural alterations & internal remodelling
Planning application support

Service 02

Landscaping & Groundworks

Strong foundations, stunning outdoor spaces.

A beautiful outdoor space starts with expert groundworks. From initial site preparation and drainage through to stunning landscaped gardens, patios, and driveways, our team combines technical expertise with a genuine eye for design to transform your outdoor environment.

Site clearance & excavation
Drainage & soakaways
Patios & paved areas
Driveways & parking areas
Garden design & landscaping
Retaining walls & boundary features

Service 03

Maintenance & Repairs

Reliable upkeep for domestic and commercial properties.

Keeping your property in top condition shouldn't be stressful. Fortis provides dependable planned and reactive maintenance for homeowners and property managers across Hampshire and Surrey. We turn up when we say we will, do what we say we'll do, and leave every property in better shape than we found it.

External property maintenance
Roofing repairs & inspections
Brickwork & masonry repairs
Gutter clearing & repair
Planned maintenance programmes
Commercial property upkeep

How We Work

Our Process

Initial Consultation

We visit your site, listen carefully to your requirements, and assess what's needed — no obligation, no pressure.

Detailed Quote

You receive a clear, itemised quote. No hidden costs, no vague estimates. Exactly what you'll pay and exactly what you'll get.

Planning & Permissions

Where required, we connect you with our trusted partner network — including specialist planning and design consultants — to navigate permissions efficiently and ensure all regulatory requirements are met before work begins.

Build & Deliver

Our team works to schedule, keeping you updated throughout. We manage every aspect so you don't have to.

Final Handover

A thorough walkthrough, snag resolution if needed, and a handover you're genuinely happy with. That's the Fortis standard.

Pre-Build Consultancy

Strong projects start
before the build does

Getting the planning, design, and structural groundwork right before a single spade hits the ground is what separates smooth projects from difficult ones. That's why Fortis works alongside a carefully chosen network of trusted professionals — specialists we refer, collaborate with directly, and stand behind.

Our partner network means your project benefits from expert input at the right stage — reducing delays, avoiding costly surprises, and giving you total confidence in the plan before work begins.

Architectural design & planning applications
Permitted development & building regulations
Structural engineering calculations
Early-stage feasibility & design consultancy

Planning By Design

From Concept to Completion

Featured Partner

Planning By Design

A multi-award-winning planning and design consultancy operating across the UK and Ireland — specialising in architectural design, permitted development, planning permission, building regulations, and structural engineering calculations. A trusted Fortis partner on pre-build consultancy for our clients.

Architectural DesignPlanning PermissionBuilding RegulationsStructural Engineering

Ask us about involving our partner network at your initial consultation — it costs nothing and can save significant time down the line.

Ready to Start?

Let's talk about your project

Whether you know exactly what you want or just have a rough idea, we're happy to have an honest conversation and give you a clear, obligation-free quote.