Loft conversions
Turn unused roof space into a considered part of your home, with the layout, access, structure and finishing planned together.
Explore loft conversions →Home / Building & property services
PRINCIPAL PRIME EIP · LONDON
Building & property services.Care in every detail.
From the smallest repair to a complete property transformation, our aim is to exceed your expectations through considered workmanship, attentive service and respect for your home. Explore our building, electrical, security and property services across central and west London.
PRINCIPAL PRIME EIP
Selected work.
Photographs from our team’s project archive: completed details and genuine installation stages, with the year shown where recorded.
EXPLORE OUR SERVICES
The right place to start.
Each service has its own information and project enquiry. Existing plumbing prices and local-area pages remain available.
House extensions
Create space for the way you live, with the extension and the existing home considered as one project rather than two separate jobs.
Explore house extensions →Garage conversions
Explore how a garage could become a useful room, with comfort, access and the connection to the rest of the property planned from the start.
Explore garage conversions →Building & refurbishments
From a single-room improvement to a coordinated property refurbishment, organise the building work and the finishing as one clear scope.
Explore building & refurbishments →Electrical services
Electrical work for repairs, room improvements and wider building projects, with the required scope, testing and responsible electrician agreed before booking.
Explore electrical services →Carpentry & joinery
Practical carpentry and considered fitted details, from doors and storage to the finishing touches that connect a refurbishment.
Explore carpentry & joinery →Roofing services
Roofing enquiries for repairs, maintenance and building projects, starting with the symptoms, the roof type and how it can be inspected safely.
Explore roofing services →Home security systems
Discuss CCTV, alarms, door entry and access control as part of the property, with the equipment, installation and handover requirements considered together.
Explore home security systems →Kitchen installations
Kitchen fitting and associated building work, keeping cabinetry, appliances, plumbing, electrical work and finishes coordinated.
Explore kitchen installations →Bathroom installations
Bathroom work that brings the layout, plumbing, preparation, fittings and final details together, alongside the existing plumbing repair service.
Explore bathroom installations →Plumbing & heating
The existing plumbing service remains here: repairs, kitchens, bathrooms, radiators and pipework, with direct contact and the current published price guide.
Explore plumbing & heating →Networking & data cabling
Cat6 cabling, Ethernet points, Wi-Fi access points and connections for CCTV, home offices and everyday devices.
Explore networking & data cabling →Flooring & Tiling
Timber flooring, restoration and tiling in London, with careful preparation, neat transitions and finishes chosen for the property.
Explore flooring & tiling →Garden Improvements & Decking
Garden decking, timber screening, fencing and exterior improvements in London. Discuss a considered finish for the space around your home.
Explore garden improvements & decking →Brickwork & Masonry
Brickwork, masonry repairs, exposed-brick restoration, boundary walls and external steps in London, with attention to the character of the property.
Explore brickwork & masonry →Shop & Office Refurbishment
Shop fitting and office refurbishment in London, including interiors, partitions, display areas, joinery and coordinated lighting improvements.
Explore shop & office refurbishment →LONDON PROPERTY SERVICES
Clear answers before you book.
Tell us what the property needs. We agree the scope, cost and next step before work begins.
Which trades can be coordinated?
Building and refurbishment, loft and garage conversions, extensions, kitchens, bathrooms, electrical work, carpentry, roofing, security and data cabling. Describe the whole project so the relevant work can be considered together.
What should I send for a quotation?
Send the London postcode, photographs, a brief description and any drawings already prepared. Tell us about access and your preferred timing. We discuss the scope and whether a site visit is needed before confirming a quotation.
Where can I see previous work?
The service galleries show genuine project photographs and installation stages, with recorded years where available. Design illustrations are labelled separately and are not presented as completed customer jobs.
TELL US ABOUT YOUR PROJECT
A clear starting point.
Send your postcode, an outline of the work, photographs and any drawings already prepared. For several trades, describe the whole project.
Discuss the scope first. A quotation, availability and the next steps are agreed before any work is booked.
info@principalprime.co.ukTHE EXISTING SITE, STILL HERE
Keep exploring.
Our plumbing information, installation footage, local pages and independent review links have not been removed.