Services · Ecommerce development · Property marketplaces

London property marketplaces that know each borough's rules before a listing goes live.

Property marketplace website development London, for platform founders, agency groups and proptech teams running a site where many agents, landlords, hosts and developers advertise homes and pay to do it. We build the listing marketplace, the vendor accounts, the subscription and fee billing, and the moderation tools behind them. The platform is shaped around the capital's rules: a different licensing picture in each borough, a night limit on short lets, and new restrictions on how rent can be advertised and taken.

In London, the price of a mistake on a listing is high. An advert that invites bids above the asking rent, or a short let calendar that ignores the annual night limit, is a problem for the vendor and for the platform that published it. We build those checks into the product so your moderators deal with exceptions, not every listing. That keeps moderation affordable as listing volume grows.

Built for
Proptech founders, agency groups, build to rent operators and short let platforms building multi-vendor property marketplaces across Greater London.
Typical timeline
Discovery by video call produces a written release plan, and delivery dates are fixed against it before any design work starts.
What you own
All code, data, vendor contracts and billing records, plus the payment and hosting accounts, registered to your company.
Rated
4.7 / 5 from 23 Google reviews

200+ companies servedFrom a first store to an ADX listed developer

Modon
Majid Al Futtaim
HP
Belkin
Dulsco Group
OneClickDrive
Hanayen
HMS
Clocksprings
Ghezlan

What the marketplace can include

The parts a London property marketplace cannot run without.

London has 32 boroughs and the City of London, and each sets its own approach to landlord licensing, planning enforcement and housing standards. A marketplace that lists across all of them needs to know which rules apply to which address, and needs to show renters and buyers the information they are entitled to before they enquire.

Revenue usually comes from three places: monthly subscriptions for agents and operators with many listings, one-off fees for private landlords and hosts, and paid upgrades that move a listing higher. The features below support all three and keep the evidence your team needs if a listing is ever challenged by a council or Trading Standards.

Explain your project
  • Borough rules engine

    Each postcode is matched to its borough, and the listing form adapts: licence references where a selective or additional licensing scheme applies, extra fields for houses in multiple occupation, and warnings where an area has its own restrictions. Your team edits the rule table in the admin when a borough changes its scheme.

    Vendors see the right requirements for the address they are listing.

  • Short let night counter

    Outside a few exceptions, entire homes in Greater London can be let short term for up to 90 nights a calendar year without planning permission. Host calendars count booked nights per property across all bookings taken through the platform and stop further short stays at the limit unless the host uploads proof of permission.

    The platform does not become the route around the night limit.

  • Asking rent and no bidding controls

    Since the Renters' Rights Act 2025 came into force for tenancies in England, landlords and agents must state an asking rent and must not invite or accept offers above it. Rental listings require a fixed asking rent, offer forms cannot exceed it, and wording that invites bids is flagged for review.

    Rental adverts meet the bidding ban by design.

  • Agent subscriptions and billing

    Monthly or annual plans for agencies and operators, with seat counts for branches, listing allowances, upgrades and downgrades with proration, VAT invoices and failed payment retries. Plan changes and cancellations are self-serve, and the billing rules are written so they can adapt when the subscription contract rules in the Digital Markets, Competition and Consumers Act 2024 arrive, which is expected in 2027.

    Recurring revenue you can forecast, with fewer billing tickets.

  • Leasehold and building information

    Most London homes on the market are flats, so listings carry tenure, lease length remaining, service charge and ground rent arrangements, and building safety information where it applies. Fields are mandatory for flats and optional for freeholds, which keeps material information consistent across very different vendors.

    Buyers see the facts that usually surface too late in a sale.

  • Vendor verification

    Agents confirm their redress scheme membership and, where relevant, client money protection; companies are checked against Companies House; hosts and private landlords complete identity checks with a specialist provider. Verified status shows on every listing so renters can tell a vetted vendor from a new account.

    Fewer scam listings and a clear basis for removing bad actors.

  • Open Banking and card payments

    Fees and upgrades can be paid by card with Strong Customer Authentication or directly from a bank account through Open Banking, which often suits agencies paying larger invoices. Short let bookings are split between host and platform at the point of payment by a regulated marketplace payments provider.

    Payment options that fit both a host and a fifty branch agency.

  • Search by commute and area

    Renters filter by travel time to a workplace such as Canary Wharf, King's Cross or the City, by borough and by neighbourhood names Londoners actually use, from Walthamstow to Brixton. Results show the full monthly cost including any compulsory charges.

    Searches that start from where people work, not just a postcode.

  • Multilingual listing pages

    London attracts renters, students and buyers from all over the world. Vendors can add translated descriptions, and interface text can be offered in the languages your audience uses, while the legally required information is always shown in English as the reference version.

    Overseas enquirers understand the listing before they ask about it.

  • Moderation and complaints queue

    Flagged listings, reported vendors, renter complaints and payment disputes arrive in one queue with priorities and service targets your team sets. Each decision is recorded with the reason and the evidence, so you can answer a council, a redress scheme or a vendor with the full history.

    A defensible record behind every takedown and refund.

Who this is for

Four London marketplace models, four different builds.

The word marketplace covers very different businesses in London. A platform for short let hosts has almost nothing in common with one for agencies selling new build flats, apart from the need to verify vendors and take payment reliably. Here is how the first release changes depending on what you are building.

01

A rental platform for agents and private landlords

Your vendors range from single flat landlords in Lewisham to agencies with branches in every zone. We build tiered access, so agents get bulk tools and subscriptions while private landlords pay per listing. The bidding ban, asking rent rules and borough licensing checks are part of the first release, because they shape the listing form and the offer flow.

The first vendors you onboard set the tone for listing quality.

02

A short and mid let marketplace

Hosts list furnished homes for stays from a few nights to several months. The build centres on calendars, the annual night counter for short stays, split payments, security deposits handled by the payment provider and clear cancellation terms. Stays of a month or more follow different rules, so the booking flow asks the length first.

Getting the night limit logic right protects you as much as your hosts.

03

A new homes and build to rent showcase

Developers and operators from Nine Elms to Stratford list whole schemes with many units. The vendor side needs scheme pages, unit level availability, floor plans, reservation requests and reporting by development. Payment is usually a subscription or a fee per scheme rather than per unit, which keeps billing simple for large vendors.

Large vendors judge the platform on the quality of its reporting.

04

A flexible workspace marketplace

Some London property marketplaces list desks, studios and small offices rather than homes. Operators publish spaces with terms and availability, businesses book and pay online, and you take a commission. The build swaps tenancy rules for licence agreements, business customer invoicing and VAT, while keeping the same verification and dispute tools.

Business customers expect VAT invoices on every booking.

From first call to a London marketplace taking payments, in six steps.

  1. 01Model and regulation mapWho lists, who pays and how money moves, set against the rules that touch each step: tenant fees, the bidding ban, short let limits, consumer law and payments regulation.
  2. 02Borough and listing rulesLicensing schemes, required fields and moderation triggers captured as data your team can edit, so a change in one borough never needs a code release.
  3. 03Experience designSearch, listing, enquiry and booking for renters, onboarding and billing for vendors, and queues for moderators, designed and reviewed together by video call.
  4. 04Build and integrationsMarketplace payments, identity verification, subscription billing, portal feeds and your CRM connected, with every integration tested against realistic London listings.
  5. 05Supply first launchVendors invited and listings imported before the public opening, so renters arriving from launch marketing find enough choice in the boroughs they search.
  6. 06Operate and refineModeration load, conversion by borough, payment failures and complaint themes reviewed regularly, with each release prioritised from that evidence.

Technology

What we build this with.

Usually a Next.js front end for fast, indexable listing pages, a Laravel or Node back end for vendor and billing logic, and a marketplace payments provider for splits and payouts. We document every choice so your own engineers can take over. Hosting runs in a UK or EU region with backups and monitoring.

01Web

  • React
  • Next.js
  • TypeScript
  • Node.js
  • Laravel
  • WordPress

02Commerce

  • Shopify Plus
  • WooCommerce
  • BigCommerce
  • Headless storefronts

03Data and cloud

  • PostgreSQL
  • MySQL
  • MongoDB
  • AWS
  • Azure
  • Docker

04Marketing and tracking

  • GA4
  • Google Tag Manager
  • Search Console
  • Meta Pixel
  • Looker Studio

What London operators ask before commissioning a marketplace.

We price from the scope, after discovery, without a fixed rate card.

Price depends on how many vendor types you support, whether you sell subscriptions, one-off fees or bookings, how many boroughs need rule data, and which systems we connect. Short let calendars with a night counter and split payouts add more scope than a listings only rental site. We break the first release into features with an estimate for each, so you can move items into a later release and keep the launch focused. Running costs such as payment provider charges, verification checks and hosting are listed separately so you can test your margins.

Tell us what the business needs. We will tell you what to build first.

Schedule a free consultation and get a written recommendation, with costs, before you commit to anything.

Get in touch

PROVEN RESULTS

4.7 / 5from 23 Google reviews