Services · Ecommerce development · Construction service marketplaces
Codeeo delivers construction services marketplace website development London founders and property businesses build on: platforms where owners, leaseholders and developers hire vetted builders, specialist subcontractors, party wall surveyors and structural engineers, then pay them in milestones. We build the listings and matching, the provider vetting, the quote and contract records, the held payments and payouts, and the review and dispute tools. In London, where a loft, basement or full refurbishment is a large commitment, the platform must make a high value decision feel controlled.
The marketplace is the product here, not a brochure site. Our team works with London clients remotely, running discovery, design reviews and test sessions by video call, and plans the build around the permissions, borough rules and payment sizes that set London work apart from the rest of the country. Every screen is designed around a customer who may be spending months of savings on one project.
200+ companies servedFrom a first store to an ADX listed developer
Platform features
A kitchen extension in Clapham, a basement dig in Kensington or a Victorian flat conversion in Hackney involves more than one trade and usually more than one permission. A London construction marketplace has to bring those pieces together: the builder, the specialist who handles steelwork or damp proofing, the surveyor who serves party wall notices, and sometimes the freeholder whose consent a leaseholder needs. Customers are paying significant sums, often over months, so the platform must show progress clearly and release money only when work is confirmed. Providers, meanwhile, want qualified leads rather than tyre kickers, and payment terms that do not stretch their cash flow. The features below are the ones that make that balance work. We order them around your launch plan: a professional services marketplace for surveyors and engineers can go live sooner than a full refurbishment platform with staged payments.
A customer describes the whole project once, then the platform splits it into packages such as structural, building, electrics and finishes. Each package can be quoted by a different provider or bundled by a main builder, and the customer sees one combined view of scope and price.
Complex London refurbishments become comparable, package by package.
Party wall surveyors, structural engineers, architectural technologists and building control approvers list fixed scope services with clear deliverables. Customers can book a party wall notice or a structural calculation before a builder is chosen, and the documents are stored against the project.
The approvals a project needs are bought in the same place as the build.
Companies House status, insurance certificates, RICS or chartered body membership for professionals, and competent person scheme registrations are collected, checked and dated. Expired evidence hides a listing until updated, and customers see exactly which checks were completed.
Customers know what was checked rather than trusting a vague badge.
Payments are structured as deposit, milestones and retention, held by an FCA authorised payment provider and released when the customer approves each milestone. Large payments can use Open Banking bank transfers as well as cards, with Strong Customer Authentication on every payment.
High value jobs move forward without either side carrying all the risk.
When the builder finds rotten joists or the customer upgrades the kitchen, a variation is raised with price and time impact, approved by the customer and added to the payment schedule. Nothing changes the agreed price without a recorded approval.
Fewer disputes about what was agreed and when.
Projects can record the local authority, controlled parking zone, skip or scaffold licence status and conservation area flags. Providers see the constraints before quoting, and the platform can remind them to confirm the licences with the relevant borough or with TfL on red routes.
Quotes reflect the real cost of working on a London street.
Main contractors running fit outs in the City or residential schemes in east London can post subcontract packages to vetted specialists. The platform records CIS verification, applies the VAT domestic reverse charge where it applies and tracks applications for payment. Valuations, retention and payment notices sit with each package, so both sides see the same figures.
One marketplace serves both homeowners and trade buyers.
Each combination that has real supply, such as loft conversions in Barnet or structural engineers in Southwark, gets an indexable page with live listings, recent verified reviews and plain guidance on permissions. Pages without enough providers stay unindexed until supply catches up, so search engines never see thin listings.
Organic traffic arrives on pages that can actually serve the visitor.
Reviews come only from customers with a completed, paid job, and providers can reply publicly. Moderation rules are published, and nobody can pay to hide criticism, in line with the review rules in the Digital Markets, Competition and Consumers Act 2024.
A rating customers trust before spending a large sum.
Disputes attach to a milestone, with photos, messages and the variation history pulled in automatically. Your team or an independent adjudicator you appoint reviews the evidence while the disputed sum stays held.
Disagreements are settled on the record, not on the phone.
Who this is for
London projects carry more ways to go wrong than most: neighbours, freeholders, permits and tight access all add risk. A marketplace that removes some of that risk has a real job to do. These are the four businesses we most often build for in the capital, and each starts from a different first release. In every case we start by asking which side of the market is harder to recruit in your chosen boroughs, because a marketplace with eager customers and no available trades loses both groups within weeks.
Your customers are owners of period houses and leaseholders of mansion block flats in places like Islington, Wandsworth and Ealing. They need several trades, clear staging and a way to bring in a freeholder's surveyor. We build project posts, packaged quotes and milestone payments first, then add professional services so customers can source approvals in the same account.
Leaseholder flows need a step for freeholder consent before work starts.
Party wall work, structural calculations and measured surveys are fixed scope services that sell well online. A portal lets customers book and pay for those services with clear deliverables, and lets your firm or your panel of professionals manage capacity across boroughs. It is often the fastest marketplace to launch because pricing is standardised.
Standard scopes make online checkout simpler than for building work.
You run fit outs or residential schemes and spend too long chasing subcontractor quotes by email. A private procurement marketplace lets you post packages, invite vetted specialists, compare tenders and pay valuations with CIS deductions recorded. It may stay closed to your approved supply chain or open to new firms who pass your checks.
A closed supply chain marketplace can run alongside a public one later.
You commission repairs and planned works across many London blocks on behalf of freeholders and residents' management companies. A marketplace with approval limits, per block cost codes, leaseholder consultation records and contractor ratings replaces spreadsheets and email chains, and gives residents a clearer record of how contractors were chosen.
Consultation duties on major works should be confirmed with your legal adviser.
How we work together
A fixed scope first release suits most London founders, because it gives a clear budget and a launch date for a defined set of features. After launch, a retainer covers new categories, boroughs and payment changes. Larger property groups and contractor networks sometimes prefer a dedicated team. Cost is driven by payment complexity, the depth of provider vetting, variation handling, and integrations with accounting or project software. Construction contractor marketplace payment integration in London is usually the heaviest single piece, because milestones, retention and refunds must all be tested with real money before launch.
A defined build with a deadline
We agree what the product has to do, write it down with a price and a date, and build exactly that. Changes are priced before they are made, not discovered on the invoice.
A product that keeps evolving
Named engineers who work your hours, join your standups and stay on the codebase. You direct the backlog; we own the quality of what ships.
Something live that needs looking after
A monthly block of hours for improvements, fixes and the small requests that otherwise wait months. Unused hours carry for a quarter.
Technology
Construction contractor marketplace platform development in London calls for a stack that handles large payments, document storage and many concurrent users. We usually pair a modern web framework with a managed database and a payment provider that offers a dedicated marketplace product.
01Web
02Commerce
03Data and cloud
04Marketing and tracking
Two sided onboarding, held payments, vetting and disputes, on top of the public site.
The public site and search pages are the visible part, but most of the work sits behind them: provider onboarding and evidence checks, quote and variation records, milestone payments through a regulated provider, payouts with commission, reviews and a dispute process. Construction services marketplace website design in London also has to account for leaseholders, freeholders and borough permissions, which is why we map those flows in discovery before scoping the first release. Search pages for each borough and service come later, once there are enough providers to serve the traffic they attract.
Schedule a free consultation and get a written recommendation, with costs, before you commit to anything.
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