COINS EVO Website Integration for UK Housebuilders
Most housebuilder websites sit completely disconnected from COINS. Enquiries get copied across manually, plot availability lags behind what’s actually live, and your marketing team is working from data that isn’t fully trusted. At Crucible, we design and build websites for UK housebuilders with COINS integration built in natively, not a bolt on after launch.
Crucible is a specialist in property and construction, this means we understand our clients needs and integrations better than most more generalist agencies.
Why most housebuilder websites don’t talk to COINS
COINS is the operational backbone of most mid-to-large UK housebuilders, but it’s rarely connected properly to the website. The problem isn’t COINS. Most web agencies have never worked with it. They build a website that functions in isolation and leave the integration as an afterthought, which usually means it never gets done properly at all.
What COINS website integration actually means
There are two distinct levels of COINS integration, and confusing them leads to under-scoped projects. The first is enquiry routing: forms on your website push lead data directly into COINS in real time, with no manual handoff. The second is data sync: a live connection that keeps your website plot listings current, so when availability changes in COINS, the website reflects it automatically.
Form routing: the baseline every housebuilder website needs
We’ve delivered website design and SEO for some of the UK’s leading property developers, agencies, and consultants.
Every housebuilder website should route enquiries directly into COINS without anyone touching them. At Crucible, we build webhook handlers that receive form submissions and pass structured lead data into COINS in real time. The right enquiry reaches the right sales team automatically, with no copy-and-paste step losing leads along the way.
For clients who want plot data to stay current without manual CMS updates, we build a bespoke Node.js integration service that connects directly to the COINS API. Plot availability, pricing, and development status flow from COINS to your website on a defined schedule. Your sales team updates one system. The website looks after itself.
Why COINS integration is specialist work
COINS has a specific API architecture and data model that most web agencies have never encountered. Getting it right means understanding both the technical structure of COINS and the operational reality of a housebuilder: how developments are staged, how plots move through availability states, and where data accuracy matters most. We understand both sides.
A poorly built COINS integration doesn’t fail immediately. It tends to degrade slowly: edge cases surface in month two, data inconsistencies appear by month six, and what started as a small fix request becomes an ongoing retainer with an agency that doesn’t fully understand what they built. Over one to two years, the support cost of a badly scoped integration routinely exceeds the cost of building it properly in the first place. When the integration is architected correctly from the start, with clean error handling, documented data flows, and a CMS structure that matches how COINS actually works, support needs drop sharply and the site stays stable without constant intervention.
Integration planning belongs at the start of a project, not the end
Working with UK housebuilders and their teams
We work with mid-to-large UK housebuilders and their marketing and digital teams on new website projects and technical integration work. If you’re planning a rebuild or reviewing your current setup, we’re happy to talk through the options before any commitment is made. The earlier we’re involved, the more straightforward the integration.
Any questions? Get in touch
COINS integration is a narrow specialism. Most web agencies have never worked with the COINS API and will not tell you that until they are mid-project. We have built COINS-integrated websites for UK housebuilders and understand both the technical architecture and the operational reality of how housebuilders use the system day to day.
If you are planning a new website or reviewing an integration that is not working as it should, we are happy to talk through the options before any commitment is made.