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Case Study

Case Study

Resident Room

Mercy Housing was managing HMO tenancies through texts, spreadsheets, and paper files. Overdue rent, lapsing documents, and unresolved maintenance issues were discovered too late. We built the platform that put everything in one place.

Year:

2026

Industry:

Property Management / SaaS

Location:

London, United Kingdom

Resident Room HMO tenancy management platform

The Problem

Overdue rent discovered a week late. A right-to-rent document uploaded but never verified. A tenancy expiring in six weeks with no flag. Every issue found after it had already become a problem.

Overdue rent discovered a week late. A right-to-rent document uploaded but never verified. A tenancy expiring in six weeks with no flag. Every issue found after it had already become a problem.

HMO landlords running multiple tenancies manually face the same failure mode repeatedly — information scattered across texts, spreadsheets, and paper files means nothing is visible until it is urgent. Mercy Housing at 49 Woodfield Road was tracking rent, maintenance, tenancy renewals, and compliance documents across disconnected systems with no single view of which tenant needed attention and why. Maintenance requests came in over WhatsApp and got lost. Tenancy agreements sat in folders with no automated expiry tracking. Right-to-rent checks were uploaded without any verification workflow — a document existing in a folder is not the same as a document being confirmed compliant.

Island Stay platform interface

connected sides — tenant app and management dashboard

2

connected sides — tenant app and management dashboard

2

connected sides — tenant app and management dashboard

2

dashboard covering every property, tenant, and ticket

1

dashboard covering every property, tenant, and ticket

1

dashboard covering every property, tenant, and ticket

1

ways a tenant can access another tenant's records

0

ways a tenant can access another tenant's records

0

ways a tenant can access another tenant's records

0

Solution

We designed Resident Room as a two-sided platform — a tenant app for self-service and a management dashboard for full portfolio oversight — built on a data model that scales from one property to many from day one.

We designed Resident Room as a two-sided platform — a tenant app for self-service and a management dashboard for full portfolio oversight — built on a data model that scales from one property to many from day one.

Tenants sign in to report maintenance issues, check their rent status, hand in notice to leave, and message management directly — removing the need for WhatsApp as the default communication channel. Management see every property, tenant, maintenance ticket, rent payment, tenancy expiry, and compliance document in one dashboard. The kanban-style maintenance board shows ticket status across every property at a glance. The document verification workflow goes beyond simple upload — a tenancy agreement or right-to-rent check is not marked compliant until a manager has explicitly reviewed and confirmed it. Rent is overridable per tenancy rather than fixed per room, giving flexibility for individual pricing arrangements. Data access is designed so a tenant is structurally unable to see another tenant's records — not just hidden in the interface, but prevented at the data layer. Why this worked: - Verification not just upload: Documents are not compliant until confirmed — the platform closes the gap between a file existing and a file being valid. - Structural privacy: Tenant data isolation is enforced at the database level, not the UI level — the kind of decision that protects operators legally, not just practically. - Scaled from day one: The data model was designed for multiple properties from the start, so growth does not require a rebuild — just adding properties to an existing system.

Testimonial

We were managing everything through texts and a spreadsheet that only one person really understood. Now every tenant, every payment, every maintenance ticket, and every document is in one place. We know six weeks in advance when a tenancy is expiring. That alone has changed how we operate.

We were managing everything through texts and a spreadsheet that only one person really understood. Now every tenant, every payment, every maintenance ticket, and every document is in one place. We know six weeks in advance when a tenancy is expiring. That alone has changed how we operate.

We were managing everything through texts and a spreadsheet that only one person really understood. Now every tenant, every payment, every maintenance ticket, and every document is in one place. We know six weeks in advance when a tenancy is expiring. That alone has changed how we operate.

Property Manager

Mercy Housing, London

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Whether you have questions or just want to explore options, we’re here.

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Get in touch

Whether you have questions or just want to explore options, we’re here.

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We are Based in London

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