Business Details
Your Trusted Construction Partner in Portsmouth
Under 1 Roof South has established itself as a trusted construction partner in Portsmouth, delivering comprehensive building services for residential and commercial properties. With decades of combined experience, our team specialises in extensions, loft conversions, garage conversions, and property renovations while maintaining strict compliance with building regulations. We pride ourselves on offering a one-stop solution for all building needs, eliminating the hassle of coordinating multiple contractors. Our reputation for reliability and competitive pricing has been built through years of delivering high-quality workmanship across the Portsmouth area. We prioritise customer satisfaction through transparent communication, detailed project planning, and a satisfaction guarantee on all completed work.Our services encompass both major construction projects and minor repairs, supported by in-house expertise in electrical, plumbing, and decorating trades. Operating across Southsea, Portchester, and Emsworth, we provide free quotations with no obligation, ensuring clients receive tailored solutions that meet their specific requirements. Our commitment to excellence is demonstrated through our extensive portfolio of completed projects and growing list of satisfied customers. We maintain rigorous quality standards while offering cost-effective solutions that balance affordability with professional expertise. From initial consultation to project completion, our approach focuses on minimising disruption while maximising value for property owners in the region.
Services
Extensions
Loft Conversions
Garage Conversions
Property Repairs
Barn Conversions
House Refurbishments
Property Development
General Building Work
Electrical Services
Plumbing Work
Highlights and features
- We guarantee customer satisfaction on all completed projects
- We offer competitive pricing without compromising quality standards
- Our team handles complete projects from planning to completion
- We provide free quotations with no obligation to proceed
- We maintain a strong local reputation built over many years
What people say
Excellent communication
Professional team
Competitive pricing
Timely completion
Quality results
Services
Extensions
We specialise in creating custom property extensions that enhance living space and property value. Our process includes detailed planning assistance, compliance with building regulations, and complete construction management. Clients benefit from our extensive experience in both single and multi-story extensions across Portsmouth and surrounding areas.
Loft Conversions
Our loft conversion service maximises unused space while adding significant property value. We assess structural viability, provide tailored design solutions, and complete full conversions with minimal disruption. The service includes electrical installation and compliance with safety standards for habitable spaces.
Garage Conversions
We transform underutilised garage spaces into functional rooms while maintaining structural integrity. Our service covers complete interior redesign, electrical and plumbing integration, and finishing touches to create versatile living or working areas that meet modern requirements.
Property Repairs
Our comprehensive repair service addresses both minor and major property damage, including water, fire, and structural issues. We provide rapid response times and handle all aspects from assessment to completion, incorporating specialist trades like plastering, tiling, and decorating.
Barn Conversions
We specialise in converting traditional barns into modern living spaces while preserving architectural character. Our service includes foundation work, utility integration, and specialist wood/stonework to maintain historical integrity while meeting contemporary living standards.
Questions
What building services do you offer in Portsmouth?
We provide extensions, loft conversions, garage conversions, property repairs, barn conversions, and full property renovations with guaranteed workmanship.
Do you cover areas outside Portsmouth?
Yes, we operate throughout Hampshire including Southsea, Portchester, and Emsworth with no additional travel charges.
Can you handle complete building projects from start to finish?
We manage entire projects including planning, regulatory compliance, and execution with our in-house team of specialists.
What makes your services different from other builders?
We combine competitive pricing with guaranteed satisfaction, offering free quotations and handling all aspects of construction without subcontracting.
How do you handle property emergency repairs?
We prioritise urgent repair work with rapid response times for water, fire, or structural damage situations.
Do you provide free project consultations?
Yes, we offer no-obligation assessments and detailed quotations for all building projects.
