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Expert House Extensions & Loft Conversions in Sheffield
Established with over 15 years of expertise in residential construction, Sheppard Builders (SY) Ltd specialises in delivering high-quality house extensions and loft conversions across Sheffield and surrounding areas. Our approach combines meticulous planning with hands-on project management, ensuring every project aligns with client expectations while adhering to strict building regulations. We collaborate with trusted electricians, plumbers, and decorators to provide comprehensive solutions, prioritising safety, practicality, and aesthetic appeal. Our teams professionalism and attention to detail are evident in the clean, respectful working environments we maintain during projects. With a proven track record of transforming homesfrom single-storey extensions to complex renovationswe pride ourselves on transparent communication, competitive pricing, and a commitment to exceeding client expectations.

Our partnerships with local authorities streamline planning permissions, ensuring efficient, compliant outcomes. Customer testimonials highlight our ability to deliver complex projects seamlessly, with particular praise for our problem-solving skills and post-project tidiness. As a locally rooted business, we understand the unique architectural character of Sheffields properties, from Edwardian villas to modern homes. Our focus on long-term client relationships is reflected in repeat business and referrals, underscoring our reputation as reliable, skilled builders dedicated to enhancing property value and livability.
Services
House Extension Loft Conversion Ground Floor Extension Two Storey Extension Loft Extension
Highlights and features
  • We have over 15 years of experience in residential construction.
  • Our trusted partners ensure comprehensive project delivery.
  • We strictly adhere to building regulations and safety standards.
  • Our team maintains clean, respectful working environments.
  • We offer transparent communication and competitive pricing.
What people say
High standard of work Professional and friendly team Excellent communication Competitive rates Minimal disruption
Services
House Extension
We design and construct bespoke house extensions to increase living space and property value. Our process includes initial consultation, planning compliance, and full project management. Clients benefit from tailored solutions for kitchens, garages, and multi-storey additions, delivered by skilled teams with 15+ years of industry expertise.
Loft Conversion
Transform unused loft space into functional rooms with our specialist conversion service. We handle structural modifications, insulation, and regulatory approvals. Our solutions preserve garden space while creating bedrooms, bathrooms, or workspaces, completed by vetted contractors to exacting standards.
Ground Floor Extension
Expand your home horizontally with a ground-floor extension. We specialise in creating open-plan kitchens, dining areas, and living spaces. Projects include foundation work, bricklaying, and integration with existing structures, ensuring minimal disruption and maximum aesthetic cohesion.
Two Storey Extension
Add significant space with a two-storey extension, ideal for growing families. Our approach combines structural engineering with interior design expertise. We manage complex builds involving load-bearing walls, staircases, and full-service integration, maintaining strict safety protocols throughout.
Loft Extension
Increase headroom and floor area with a loft extension. We employ dormer or mansard designs to optimise space, incorporating insulation, windows, and bespoke finishes. Projects are completed with minimal mess, using approved materials and techniques to ensure long-term durability.
People
Andy
Director
Andy leads Sheppard Builders with over 15 years of construction experience. Known for clear communication and problem-solving, he oversees project delivery while maintaining hands-on involvement. Clients praise his reliability and attention to detail.
Tim
Project Manager
Tim coordinates complex builds, ensuring timely execution and regulatory compliance. With expertise in structural modifications, he manages teams and client relationships, prioritising transparency and quality outcomes across residential projects.
Questions
What areas do Sheppard Builders cover?
We operate primarily in Sheffield, Yorkshire, and surrounding regions, serving both urban and rural properties.
How long does a typical extension take?
Project duration varies by scope but averages 12-16 weeks for house extensions and 8-12 weeks for loft conversions.
Do you handle planning permissions?
Yes, we guide clients through the process and coordinate with local authorities to secure necessary approvals.
Are your builders qualified?
Our in-house team and partners hold industry certifications, with 15+ years of combined experience in residential construction.
What guarantees do you offer?
We provide a 12-month warranty on workmanship and ensure compliance with all building regulations.
Can you work with listed buildings?
Yes, we have experience in renovating Grade II listed properties while preserving historical integrity.
Reviews (3)
Sarah Mashford
May 17, 2018 Report
Andy and the team at Sheppard provided us with a single storey extension and removed two external walls at our Victorian home. They provided a full and understandable quote and made it clear when items were included or not. They were a great team and made me and my two young boys and dog feel very comfortable and safe for the entire time they were there (4 months). The customer service was excellent and if I had any questions or concerns, they addressed them straight away.

I was particularly impressed with the new stone work and the integration of the new extension with the existing house. They were very respectful of our neighbours and helped wherever possible with the practicalities of living on a building site. Not the cheapest quote we received, but I'm very pleased with the result and our experience. I have already recommended them to two of my friends and I would recommend them to anyone.
Wendy Billing
Jan 19, 2017 Report
Andy, Tim and their team did a fantastic job on reconfiguring and extending our house. There were inevitably unexpected issues along the way, but they always said 'don't worry, we'll sort it' and they did. They always turned up when they said they would, took pride in the work they did and, despite it being a 4 month project, they finished on time. The end result is above and beyond our expectations with a gorgeous kitchen tailored to fit, a well constructed extension which matches our existing stonework and roof tiles perfectly, oak wood flooring throughout, good quality windows and patio doors and precision fitted oak internal doors. We would have no hesitation in recommending Sheppard Builders. Thank you guys! Wendy and Keith.
David Beardow
Jul 19, 2016 Report
Fabricated some steels for Sheppard builders very organised and neat tidy site makes for good health and safety. I would recommend them to anybody needing any type of building work RegardsDave @dbfabrications iteservices