Services
Everything your home needs, under one roof.
Design, structure, services and finishes — delivered by one accountable team, with one programme and one fixed price.
Whole-house transformations, managed end to end — from strip-out to the final coat of paint.
from £1,000/m² 02 KitchensKitchens designed around how you cook and live — supplied, fitted and finished by one team.
from £18,000 03 Bathrooms & Shower RoomsSpa-quality bathrooms with flawless tiling, concealed plumbing and premium fittings.
from £9,000 04 Roofing, Lofts & DormersNew roofs, dormers and loft conversions — built to last and fully weathertight.
from £55,000 05 Extensions & ConversionsMore space without moving — extensions, garden rooms and clever conversions.
from £2,200/m² 06 Commercial Fit-OutWarehouses, offices, gyms and data centres — delivered to programme with minimal disruption.
from £450/m² 07 Heating & PlumbingWhere Planex began. Boilers, heating systems, underfloor heating and full replumbs.
boilers from £2,950How it works
From first visit to final walkthrough
One team, one programme: design, drawings, structure, first fix and finishes — this is what working with Planex looks like.
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01Consultation & survey
We visit, listen and measure every room. Layout options follow within days.
Free site visit -
02Design & 3D visuals
Our design team turns the plan into photorealistic visuals, so you see the finished home first.
3D visuals & finishes -
03Technical drawings & fixed price
Lighting, electrics, joinery and kitchens are drawn to the millimetre — then priced line by line.
Drawings & itemised quote -
04Structure & shell
Foundations, steels, blockwork and roof — the part you never see, built properly.
Weekly photo reports -
05First fix & plaster
Electrics, plumbing and underfloor heating go in before anything is covered — then walls are plastered and floors screeded.
Inspections & sign-offs -
06Finishes & handover
Kitchen, bathrooms, joinery, flooring and decoration — then a final walkthrough and guarantees.
Handover & aftercare
Transparent pricing
Renovation packages
Prices exclude VAT and are indicative for London. Kitchens and bathrooms are priced separately — see the calculator.
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Free consultation
Let's build something beautiful.
Free consultation, free site visit and a fixed, itemised quote. We call back within 15 minutes.