Exceptional Building, Construction & Home Improvement Services In Sussex.

At Greve & Son, we’re a family-run building company serving Sussex and the surrounding area. We specialise in high-quality new builds, extensions, conversions and home improvements — and have been earning the trust of homeowners since 2010.

As a trusted, family-run building company, we specialise in Sussex home extensions, property renovations, new builds, and garage conversions, offering tailored solutions to enhance and transform your home. Our comprehensive building services also include window and door installations, bespoke orangeries, and custom conservatories, designed to meet the unique needs of homeowners across Sussex towns.

“We pride ourselves on offering the best service possible from concept to completion.

We find our clients are always at ease throughout the process of the build and have trust in our knowledge to assist them in making the right decisions along the way.”

Jonny Greve, Director, Greve and Son

Basement Addition Project

We successfully completed a major construction project in Seaford, featuring a spacious basement addition and a two-story extension. This transformation introduced a gym, bar, and steam room, enhancing the property's functionality and luxury.

New-Build Development in Seaford

We’re actively working on a new residential project in Seaford, featuring nine modern three-bedroom townhouses designed for contemporary living.

Build.

At Greve & Son, we specialise in full-scale construction projects, including:

New-build homes across Sussex — working to the highest standards to bring your vision to life.
Home extensions and two-storey additions, seamlessly integrated to expand your living space.
Garage conversions and outbuildings, making the most of your existing property’s footprint.
Structural repairs and property enhancements, such as driveways and supporting foundations.

We handle every stage — from planning and foundations, through to finishes — ensuring everything complies with building regulations in Sussex.

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Improve.

We also provide a wide range of home improvement services, focusing on precision, reliability, and long-lasting quality. Our installations come with an insurance-backed guarantee for your peace of mind.

Key services include:

Windows & doors installation — energy-efficient, attractive, and secure.
Bespoke conservatories and orangeries, built to complement your home’s architecture.
Fascia, soffit & gutter replacement, to protect your property and improve curb appeal.

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Team.

Why Choose Greve & Son?

Family-run & trustworthy: Our close-knit team ensures smooth project management and clear communication — no surprises, just quality.
Federation of Master Builders (FMB) member: We meet rigorous quality and ethical standards.
FENSA-registered since 2009: All our window and door improvements meet current building regulations for England & Wales.

Service Areas: Based in Seaford, Serving All of Sussex

We operate out of Seaford but cover homes throughout Sussex. Whether you're in a coastal town or an inland village, our local expertise means your building or renovation project gets the care it deserves.

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Fully Qualified.

Greve and Son are proud to be members of the Federation of Master Builders.
You want to build the best you can. So do we. The FMB has championed continuous improvement in building quality for over 75 years, with members having to fulfil strict criteria before joining and committing to abide by a stringent Code of Practice.

Greve and Son are FENSA Registered company since 2009.
We work in accordance to the government approved scheme of work set out by FENSA to ensure that our products and services comply with the new Building Regulations for England and Wales.