For many housing providers, replacing their housing management and finance systems is seen as a technical risk. Projects stall, costs escalate and go-live dates slip.
As a sector, we’ve become used to the idea that implementations are painful and that long programmes are simply the price of complex systems. But when you look closely at where projects succeed or fail, technology is rarely the root cause; the real challenge is change.
I’ve been implementing housing systems for 12 years. Most recently, I’ve been focusing on Aareon HomeMaster implementations which each take around eight months (12 months is considered by us to be unusually long), with consistently high post-implementation satisfaction ratings.
What is different? This article looks at how SaaS implementations change the rules and why they deliver predictable and reliable go-live dates.
The myth of the migration
Let’s start with the problem. When moving to new platforms, most housing providers don’t struggle because modern systems lack capability. They struggle because new platforms expose long-standing inconsistencies in data, processes and decision-making.
Legacy systems often allow organisations to carry forward decades of local work-arounds, informal rules and bespoke customisations.
When organisations attempt to migrate everything ‘as is’, they don’t just move data, they also recreate complexity.
The result is predictable: slower delivery, fragile configurations and a new system that feels different but not better.
SaaS changes the rules
True SaaS housing platforms are fundamentally different from traditional systems. They’re designed around a single, continuously-updated version, shared across a community of customers. This forces a shift in mindset.
Rather than asking, “how do we make the system work the way we’ve always worked?”, organisations need to ask, “which of our processes still make sense and which should change?”
Conforming to a SaaS platform’s way of working can feel uncomfortable, particularly for organisations used to deep customisation. But it’s also where the value lies. Standardised workflows, proven data models and consistent processes aren’t constraints, they’re the accumulated learning of the sector, embedded in software.
Today, more than 100 housing providers have bought into this model with HomeMaster and that scale matters. Best practice isn’t theoretical; it emerges from patterns that work across diverse organisations, geographies and operating models.
Implementation as a business programme
One of the most common mistakes organisations make is treating system replacement as an IT-led initiative rather than as a collective one.
Technology teams obviously play a crucial role but adoption ultimately depends on front-line services, finance, asset management, housing operations and leadership all being aligned behind a shared direction of travel.
Successful implementations start with explicit organisational commitments:
- Clarity on scope and priorities, including recognising that not everything makes the cut;
- Agreement that some long-standing practices will change;
- Senior sponsorship that reinforces decisions when trade-offs arise.
The expertise for success
Once organisational commitment is in place, the quality of the implementation team becomes decisive.
Fast implementations are often described in terms of plans, templates and milestones. Those provide structure but they don’t deliver change on their own. What matters is judgement, such as knowing where to challenge legacy practices, where to preserve ‘intent’ rather than ‘process’ and how to guide organisations towards the best-practice operating models built into modern SaaS platforms.
The software needs to be designed by people with expertise in housing and finance, and that experience also needs to underpin its implementation approach. That means projects should be led by former housing professionals who understand rent cycles, reconciliations, audit pressures, repairs and capacity constraints, not just the technology.
That essential expertise leads to better decisions early, reduces the need to re-work things later in the programme and limits the need for prolonged external consultancy after the go-live.
Make data visible early
Data is often seen as the most complex part of any system change. In practice, complexity usually comes from inconsistency and lack of clarity.
We try to simplify this by using a structured data-migration handbook, repeatable upload templates and automation wherever possible. Data is treated as an early, shared workstream, not a technical task deferred to the end.
Crucially, data is loaded into a live environment early in the project, typically by the second month. By that point, configuration decisions are no longer theoretical because everyone can see their configuration choices in a working system.
This early visibility bridges the gap between current processes and the new best-practice ones, helping teams to understand not only what is changing but also why.
Don’t lose confidence
Loss of confidence is one of the most common causes of delay in housing system implementations.
That’s why rigour matters throughout delivery. Early data-loads support reconciliation and assurance, configuration is carried out in live systems (not spreadsheets) and testing is treated as a governed activity rather than a best-effort exercise.
These aren’t basic delivery steps; they are deliberate mechanisms designed to reduce uncertainty, align finance and operational teams, and bring the wider organisation along with the programme.
During the seventh month (typically), a dummy go-live exercise provides a full rehearsal and ensures the transition is controlled and understood, thereby building confidence. By the time the system actually goes live, it is an operational event and not a leap of faith.
Implementation is part of the product
In housing, the best technology is the technology you can adopt without exhausting the organisation. The eight-month average go-live we see with Aareon HomeMaster is only possible through disciplined delivery: early data mobilisation, controlled scope, rehearsal, structured testing and adoption-led training.
As focus on data quality, governance and user engagement intensifies, success won’t come from just choosing a modern platform, it’ll come from choosing (and executing) an implementation approach that makes change achievable within a single financial cycle.
And of course, by then being on a SaaS platform, the organisation won’t exhaust itself with further manual upgrades. Instead, it can always benefit from having the latest features and continued best practice.
Sue Gilmore is the head of implementations at Aareon HomeMaster

