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Trusted Construction Contractors in Hertford
A & S Building is a fully qualified team of builders, electricians, kitchen fitters, and bathroom fitters based in Hertford. We specialise in house extensions, loft conversions, new builds, renovations, and plumbing services, operating throughout Hertfordshire and North London. Our in-house team of tradesmen ensures projects are completed efficiently without reliance on external contractors, maintaining budget control and timely delivery.We prioritise compliance with Building Regulations, hold CSCS certifications, and provide free, no-obligation quotations. With a focus on quality craftsmanship and client satisfaction, we manage projects from initial design to completion, serving domestic and commercial clients in Hertford, Enfield, St Albans, and surrounding areas.
Services
House Extensions
Loft Conversions
New Builds
Property Renovations
Plumbing Services
Electrical Work
Kitchen Fittings
Bathroom Fittings
Decorating Services
Roofing Work
Highlights and features
- We provide free, no-obligation quotations with expert advice.
- Our in-house team handles all trades, avoiding reliance on subcontractors.
- Fully compliant with Part P and Building Regulations standards.
- Proven track record in complex projects across Hertfordshire and North London.
- Customer-centric approach with guaranteed clean, dust-free workspaces.
Associations and certifications
- CSCS
What people say
High standard
Professional and courteous
Tidy builders
Excellent communication
Competitive pricing
Services
House Extensions
We design and construct single or double-storey house extensions tailored to your architectural plans or our own designs. Our team manages groundwork, plumbing, electrical work, and finishing touches, ensuring compliance with Building Regulations. Ideal for creating kitchens, home offices, or living spaces, our extensions maximise property potential while maintaining structural integrity and aesthetic coherence.
Loft Conversions
Our loft conversions transform underused attic spaces into functional rooms like bedrooms, home cinemas, or storage areas. We handle structural support, insulation, staircase installation, and electrical integration, adhering to safety standards. The process includes minimal disruption, daily tidying, and optional decorating services for a seamless finish.
Plumbing Services
From new installations to repairs, our qualified plumbers address pipework, drainage, leaks, and appliance connections. We specialise in integrating plumbing for kitchen and bathroom fittings, ensuring compliance with UK regulations. Emergency call-outs prioritise urgent issues like water damage risks, with a focus on durability and efficiency.
Electrical Work
Our electricians provide full rewiring, consumer unit installations, and lighting design compliant with BS 7671 standards. Services include power supply setup for extensions, energy-efficient lighting solutions, and safety inspections. We ensure all work meets Part P regulations, with RCD protection installed for enhanced electrical safety.
Property Renovations
We undertake full or partial renovations, including structural repairs, kitchen/bathroom updates, and decorative finishes. Our team replaces outdated fittings, modernises electrical systems, and restores properties to contemporary standards. Projects range from single-room makeovers to complete property transformations, balancing functionality with aesthetic appeal.
People
Nello
Proprietor
Nello leads A & S Building with over 20 years of construction expertise. He oversees project design and execution, ensuring compliance with regulations and client satisfaction. Known for professionalism and attention to detail, he manages teams to deliver high-quality builds across Hertfordshire.
Sab
Senior Builder
Sab collaborates with Nello on major projects, bringing extensive experience in renovations and new builds. He focuses on client communication and on-site coordination, ensuring timely completion and adherence to safety standards. Clients praise his reliability and craftsmanship.
Questions
What areas do A&S Building Company cover?
We operate throughout Hertfordshire and North London, including Hertford, Enfield, St Albans, and Watford.
Do you provide free quotations?
Yes, we offer free, no-obligation quotations with unlimited advice for all projects.
Are your tradesmen qualified?
All our electricians, plumbers, and builders hold CSCS certifications and comply with UK Building Regulations.
How long do loft conversions take?
Most loft conversions complete within six weeks, depending on project complexity and property layout.
Can you handle emergency plumbing repairs?
Yes, we prioritise urgent plumbing issues like leaks to prevent property damage.
Do you manage full project lifecycles?
Yes, we oversee projects from initial design and planning to final completion and decorating.
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