# 4WALLS > 4WALLS is a London-based new build property platform. Buyers browse a hand-picked > collection of new build homes from the UK's leading developers, book viewings and > get whole-of-market mortgage advice. Developers use 4WALLS to sell new build > schemes faster through AI-powered buyer matching and cinematic marketing. 4WALLS operates in Greater London and the surrounding commuter belt. Listings cover studio to five-bedroom apartments and houses across roughly 28 active developments, working with developers including Hill Group, Fairview and Countryside. Every listing page carries pricing, floorplans, square footage, transport links and viewing booking. ## Buyers - [New build homes for sale in London](https://www.4walls.io/): Hand-picked new build homes, searchable by area, price and bedrooms. - [Browse all listings](https://www.4walls.io/listings): Full property index with filters for location, price, bedrooms and bathrooms. - [How it works](https://www.4walls.io/how-it-works): The buying journey — how 4WALLS matches buyers to developments and handles viewings and offers. - [Buying agent](https://www.4walls.io/buying-agent): The AI-powered buying agent service for finding a home faster. - [Mortgage advice](https://www.4walls.io/mortgages): Free whole-of-market mortgage advice and a decision in principle within 24 hours. ## Developers - [For property developers](https://www.4walls.io/developers): How 4WALLS sells new build schemes — buyer matching, art-directed marketing and sales coordination. - [List with us](https://www.4walls.io/list-with-us): Submit a development to the 4WALLS platform. ## Company - [Contact us](https://www.4walls.io/contact-us): Speak to the 4WALLS sales team. - [Sitemap](https://www.4walls.io/sitemap.xml): All indexable URLs, including every live listing and development brochure. ## Optional - [Terms of use](https://www.4walls.io/terms) - [Privacy policy](https://www.4walls.io/privacy-policy) - [Cookie policy](https://www.4walls.io/cookie-policy)