The quick way to find a local Renewable Energy Specialist in Harpenden

P and L Contractors

Renewable Energy Specialist

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We are a building company that have been in operation for over 25 years We are mostly architect or customer recommendations based We can organise a local architect to produce your plans or price plans you already have We are a little old school where we will give you a competitive estimate and then show you the works we are doing also a job we have finished recently

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Reviewed by Manny on 16/4/2025

Excellent guys, no fuss and got the job done quick and to an excellent level of quality! Highly recommend!

Solar Systems

Renewable Energy Specialist

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A family run business that will help design, install and maintain your solar system through the years. Now fully accredited for electric vehicle charging.

POC House Construction LTD

Renewable Energy Specialist

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hello, my name is Ioan and I have 10 years of construction experience

Primary Aspect UK

Renewable Energy Specialist

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PRIMARY ASPECT LIMITED is a leading Construction company serving the London area. Ever since we opened for business, we’ve taken a comprehensive approach to project management, providing our clients with a wide range of construction and refurbishment services, to cover their needs. Get in touch today to learn more about what we can offer you and to receive your free estimate.

Latest homeowner review

Reviewed by Kate on 10/2/2025

Patrick was very helpful right from start. He was detailed in the initial quote and communication was easy and prompt. On the day he was very polite, clean and tidy, nothing was too much trouble. I would highly recommend.

Dion Gjyla

Renewable Energy Specialist

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View ProfileRequest a quote07379061936

Qualified Electrician Covering all aspects of electrical work across London Lighting Installations Fuse board Upgrades Domestic Work

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Reviewed by Pepi on 6/9/2026

Fast response and professional service - highly recommend. Thank you

Refurbishment Specialist

Renewable Energy Specialist

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Welcome to C Shambi Builders Ltd - Refurbishment Specialist ESTABLISHED SINCE 1995 We are a dedicated and highly professional team. Many of our team members have been with us since the very beginning. All our staff and contractors are registered and affiliated in their respective fields. Our Areas of Expertise: Extensions and Conversions - We provide a comprehensive design and build solution, handling everything from initial architectural drawings, and structural engineer calculations to the final build and certification, including all stages of planning. Refurbishments – Our services encompass plastering, painting and decoration. Kitchens – We offer carpentry design and fitting services, along with great supply deals on top brands like Howdens, Magnet and many more. Electrics - Our electrical expertise covers partial and full rewiring. We are committed to ensuring the safe and optimal functioning of your electrics Bathrooms – Our expertise includes installation, tiling, shower rooms and wet rooms. Plumbing - This encompasses the installation of new boilers and radiators. Carpentry – From wooden flooring to bespoke cupboards and wardrobes, doors, pocket doors, locks, windows, decking and fencing, we've got you covered. Refurbishment Specialist offers a complete service from design to completion, regardless of the project size. We are committed to working closely with our clients to ensure a smooth and satisfactory outcome. Our detailed quotations break down the entire project. Our services extend to Central, North, West & East London, Hertfordshire and the Home Counties. Please don't hesitate to contact us to discuss your needs, seek further information, or request a comprehensive and obligation free quotation.

Daniel Panfil

Renewable Energy Specialist

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A fully qualified electrician with over 20 years experience working on commercial, industrial and domestic projects, skilled in installation and maintenance electrical work. Proven to work well within a team setting and confident to take onboard any instructions given and carry on with the work. Hard working and always takes time to see jobs through to the end, ensuring all issues are completed to high standards.

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Reviewed by Charlotte on 15/4/2026

AKONI CONSTRUCTION LTD

Renewable Energy Specialist

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Akoni Construction Ltd Building with Quality, Trust, and Experience Akoni Construction Ltd is a professional, multi-trade building company committed to delivering exceptional workmanship while providing complete peace of mind throughout every stage of a project. Our focus is simple: to ensure every client feels valued, understood, and confident from initial consultation through to final handover. We take pride in turning ideas into reality, delivering each project to the highest possible standard with precision and care. ⸻ Our Experience With over 20 years of industry experience, we have built a strong reputation for delivering high-quality construction projects across a wide range of sectors. Our portfolio includes: * Large-scale renovations * Extensions and structural works * Full property developments Today, Akoni Construction Ltd offers a complete, end-to-end building solution—managing every trade under one roof for a seamless and efficient client experience. ⸻ Our Services We provide a comprehensive range of construction services, including: * Full property renovations and refurbishments * Extensions and structural alterations * Bathroom and kitchen design & installation * Plumbing and heating systems * Electrical installations * Carpentry and bespoke joinery * Plastering and decorating * Roofing and external works All works are carried out by fully qualified, highly experienced tradespeople, ensuring consistent quality across every aspect of the build. ⸻ Our Approach We believe that successful projects are built on strong communication and collaboration. From the outset, we work closely with our clients to understand their vision, offering clear guidance, transparent pricing, and professional support at every stage. We also partner with trusted architects, designers, and structural engineers, enabling us to deliver a fully managed, stress-free service—from concept through to completion. ⸻ Our Commitment At Akoni Construction Ltd, we are dedicated to delivering: * Outstanding quality workmanship * Reliable and professional service * Clear, honest communication * Projects delivered on time and within budget We don’t just aim to meet expectations—we aim to exceed them, leaving every client confident in both the journey and the finished result. ⸻ Akoni Construction Ltd Delivering excellence in every build.

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Reviewed by Martin on 7/2/2026

Innov8 Projects Ltd

Renewable Energy Specialist

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Innov8 Projects is a forward-thinking construction company dedicated to delivering high-quality, modern, and innovative building solutions. With a focus on craftsmanship, efficiency, and sustainability, we bring visionary projects to life—whether residential, commercial, or bespoke. Our commitment to excellence ensures every build stands the test of time. Building the Future Today

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Reviewed by Philip on 16/9/2024

At present, our work is still in its early stages, rectifying 90 years worth of previously bodged jobs. The CBA Team have been excellent so far, they arrive on time, work hard and do things the right way. I will be using them again once this project completes.

Catalin Timaru

Renewable Energy Specialist

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Hi We are experienced builders, residential and commercial building and maintenance services Have been in business for around 15 years We offer quality services at reasonable prices

Jack Henry

Renewable Energy Specialist

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Domestic/commercial and Industrial trained electrician. Specialise in all aspects of electrical work 12+ years experience with all up to date qualifications (18th edition certified)

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Reviewed by NEIL on 15/5/2026

Quick response and excellent job, neat and tidy

AF ELECTRICAL & PLUMBING SERVICES

Renewable Energy Specialist

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Very reliable people and 24 hours emergency cover

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Reviewed by Nathan Michael on 9/8/2026

Surehand Electrical & Construction Services LTD

Renewable Energy Specialist

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We offer all aspects of domestic and commercial electrical installations, we provide testing services for landlords and homeowners We are installing EV charger points to domestic and commercial premises We offer a emergency lighting design, maintenance and log in Services We respect all of our clients and their property's We also are a fully insured company

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Reviewed by Marek on 3/1/2019

Great workmanship, punctual on the delivery timing.

J&M HOME IMPROVEMENTS AND CONSTRUCTION UK LIMITED

Renewable Energy Specialist

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we are a company offering all building works, extensions, lofts, bespoke bathrooms and kitchens to suite your taste. We use only the highest quality products and materials for your job. Only the best design, materials and price will always be provided.

Latest homeowner review

Reviewed by Anna on 9/5/2024

John Makkar and his incredible team have made the experience of renovating our whole 5 bedroomed house an absolute pleasure ! The enthusiasm and professionalism is outstanding as well as the quality of work and his excellent communication. I can’t rate John and the team highly enough! His ideas are brilliant and creative- always a problem solver and he deeply cares. Thank you so much John and the team!

JLA Plumbing and Heating

Renewable Energy Specialist

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For over 15 years, JLA Plumbing and Heating has been providing professional plumbing and heating services across London. We're a family-run business built on trust, quality workmanship, and exceptional customer service. From fixing a dripping tap to installing a complete heating system, no job is too small or too big for us. We treat every job with the same care and attention to detail. Our Gas Safe registered engineers are fully qualified and committed to delivering the highest standards of work, whether it's an emergency repair or a major installation.

Andy Read

Renewable Energy Specialist

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I have 20 years experience with brick restoration including - lime re-pointing weather struck, gauged and traditional. Soft wash masonry cleaning - Doff cleaning - paint removal. Period brick replacements - Garden wall builds - Patio garden landscaping.

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Reviewed by les on 13/8/2023

had problems contacting him, to arrange a date as his phone was faulty,. but when eventually set a date he arrived on time and did a good job. he was freindly and polite

Alpha Tech Group

Renewable Energy Specialist

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Founded in 2018, Alpha-Tech Group provides comprehensive full scope, turn key electrical services to both residential and commercial clients, handling everything from minor works to large-scale projects.   As a bespoke electrical company, we go beyond the capabilities of most companies, offering unique and diverse skill sets that set us apart.   We are NICEIC Approved Contractors, part of the Domestic Installer Scheme, SafeContractor accredited ensuring all work meets the highest industry standards.   Our team of highly skilled, professional, and reliable engineers take pride in delivering exceptional service. We maintain a reputation for quality, cleanliness, and customer satisfaction, giving our clients peace of mind - every time.  We would be delighted to welcome you to our growing list of valued clients and appreciate the oppurtunity to be part of your project. Thank you for considering our tender – we wish you every success with your project.

MSM Plumbing Heating and Gas

Renewable Energy Specialist

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With over 20 years experience ,fully trained and highly qualified you can be sure you will receive top quality service at the highest standards .We offer prompt,reliable and honest service.We will always treat your property and home with respect .

Latest homeowner review

Reviewed by Ji on 5/6/2025

Monty is great! We got a gas certificate and boiler checkup for a property we are buying. He was attentive and honest, two qualities a first time home buyers look for when it’s their first time getting service. Great communication laddering up to the day, too. Highly recommend!