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How to Set Client Decision Deadlines Without Damaging the Relationship

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Picture this: you presented a beautiful living room concept to your client six weeks ago. You have followed up three times. Meanwhile, two other enquiries have gone cold because you could not commit to a start date. When your client finally gets back to you, the sofa they loved has been discontinued and the wallpaper is out of stock. You are essentially starting again.

If that sounds familiar, you are not alone. Setting and enforcing decision deadlines is one of the things designers most often tell me they struggle with, and I understand why. It feels pushy. It feels like you are putting your own needs above your client’s. But here’s the reframe that changes everything: generous decision timelines are not kind to your clients. They are unfair to your business, your other clients, and often, to the client in limbo too.

In this post, I want to walk through why decision deadlines matter so much (with some real numbers behind it), what a sensible timeline actually looks like, how to build it into your contracts, and how to have that conversation without it feeling like a confrontation.

The Real Cost of ‘I’ll Think About It’

Delayed decisions cost interior design businesses in three distinct ways, and most designers only think about the first one.

The most obvious is calendar disruption. Every project sitting in decision limbo is a project you cannot accurately schedule around. I have spoken to designers who have turned away their ideal clients because they could not honestly say when they would be available, only to have the limbo project restart weeks later with a completely different brief.

The second is cash flow. Interior design tends to work in phases, and if a client cannot make decisions, you cannot move to the next phase, which means you cannot invoice for it. A designer I was mentoring recently realised she had completed the equivalent of nearly three weeks of design work that she could not invoice for, purely because two projects were stalled waiting for client sign-off. She was not overextended. She was simply unprotected.

This is not a niche problem. Research by the Federation of Small Businesses consistently shows that late and delayed payments represent one of the biggest threats to small UK businesses, with cash flow pressure cited as the primary consequence. While interior design clients delaying decisions is not quite the same as late payment, the impact on your working capital is remarkably similar.

The third cost is supply chain risk, and it is one that has become significantly more pronounced in recent years. The UK furniture market continues to grapple with supply chain disruption, volatile raw material prices and shifting lead times. Popular fabrics get discontinued seasonally. Furniture lines refresh. A delay of four to six weeks in a client decision can mean starting sourcing from scratch, which eats into your time, your margins, and often your goodwill.

Why Most Designers Are Too Generous

The financial impact of indefinite decision periods extends far beyond lost calendar time. When you can’t move projects forward predictably, your cash flow becomes erratic. You may have completed design work weeks ago but can’t invoice for the next phase because you’re waiting for client approval. 

The hesitation to set firm timelines usually comes from one of three places.

First, there is the fear of seeming pushy. Many designers come into this industry because they care deeply about people and spaces. Putting pressure on a client feels at odds with that. But there is a difference between pressure and professionalism, and clients who are used to working with architects, project managers or contractors will expect clear timelines as a matter of course.

Second, some designers simply have not tracked what delays actually cost them. When you do not have a number to attach to it, it is easy to absorb it as just part of the job. Start tracking. You might be surprised.

Third, there is a genuine worry that setting boundaries will push clients away. In practice, the opposite tends to be true. Clear expectations are a mark of professionalism, and most clients, particularly busy professionals who are used to commissioning services, find them reassuring rather than off-putting.

What a Sensible Decision Timeline Looks Like

Through working with designers at all stages of their businesses, a pattern emerges: seven to ten working days is the sweet spot for most design decisions. It is long enough to feel considered rather than rushed, and short enough to keep projects moving.

Seven working days works well for:

  • FF&E selections, including furniture, fabrics and finishes
  • Colour and material approvals
  • Concept refinements and accessory choices

Ten working days is more appropriate for:

  • Major design direction decisions or significant layout changes
  • Decisions involving substantial financial commitment
  • Anything that requires a client to consult their partner, builder or other party

Minor adjustments or like-for-like swaps can reasonably be three to five days. The principle is that the timeline should match the weight of the decision, not just default to infinity.

When you present these timelines to clients, the framing matters enormously. You are not setting deadlines because you are impatient. You are setting them because you want to be able to guarantee product availability, protect their project timeline, and give every client the focused attention they deserve.

How to Build Decision Deadlines Into Your Contracts 

Your contract is the right place to establish decision timelines, not as a punitive measure, but as a professional standard. Here is what effective contract language looks like in practice.

A straightforward clause might read something like: ‘Client feedback and decisions are required within seven working days of each design presentation to maintain project momentum and ensure product availability.’

If you want to include graduated consequences, that is entirely reasonable: ‘Where client decisions are not received within the agreed timeframe, the project may be rescheduled subject to designer availability. Any additional design work required as a result of products becoming unavailable during an extended decision period will be charged at the designer’s standard hourly rate.’

Some designers also include a project reactivation clause for projects that go dormant for more than a set period (usually 14 to 21 days). This is particularly useful if you work with clients who tend to go quiet for weeks, then suddenly want everything done immediately.

The key with contract language is to explain the reason, not just the rule. Clients who understand why the timeline exists are far more likely to respect it.

Here’s What This Looks Like in Practice

A designer I was coaching came to me with a classic scenario: a high-value project where the client was lovely, engaged and enthusiastic in meetings, but consistently took three to four weeks to come back with decisions. The designer had not set timelines at the start, so every time she chased, she felt like she was bothering them.

We restructured her client onboarding to include a clear decision timeline clause in her contract, and we rewrote how she presented options. Instead of sending a PDF with twelve fabric options and asking the client to ‘have a think’, she shifted to presenting three curated choices in a scheduled call, walking through each one and explaining her recommendation. Decisions that had previously taken three weeks started coming back within three days.

The change was not just in the contract. It was in how she positioned herself: as the expert making recommendations, not as someone presenting a shopping catalogue. That reframe is worth its weight in gold.

How to Have the Conversation

Introducing decision timelines to a new client works best as part of the project onboarding conversation, not as something buried in the contract they skim before signing.

You might say something like: ‘One thing I want to flag early on is how we handle feedback and decisions. I find that projects run most smoothly when we agree on a turnaround time for approvals, typically around seven to ten working days. This protects your timeline and means I can guarantee the products we select are still available when we come to order. Does that work for you?’

Framed this way, it is a collaboration, not a diktat. Most clients will say yes without hesitation, particularly if you position it as being in their interest, which it genuinely is.

For clients who are mid-project and have already fallen into a pattern of delayed responses, a gentle reset conversation works well: ‘I wanted to check in about our timelines. We have got some lovely products on hold at the moment, but I want to make sure we do not lose them. Could we agree to get decisions turned around within the next seven days going forward? I am happy to schedule a short call if that helps.’

When a Client Misses a Deadline

Even with clear timelines in place, clients will sometimes go quiet. Here is a practical sequence that keeps things professional and solution-focused.

First follow-up (day eight or nine):

A friendly, low-pressure nudge: ‘Hi [name], just following up on the design options I sent last week. To keep your project on track, I’d love to get your thoughts by [specific date]. Let me know if you’d find a quick call helpful to talk through anything.’

Second follow-up (two to three days later):

A slightly more direct note referencing the implications: ‘I wanted to follow up as we’re now past our agreed decision window. A couple of the options we discussed are currently showing limited availability, so I’d love to confirm your choices by [date] to avoid any sourcing complications. Happy to jump on a call if that would help move things along.’

If there is still no response:

This is where your contract clauses come into play. Implement them calmly and professionally: ‘As we are now [X] days beyond the agreed decision window, I will be putting your project on hold for now and will be in touch to reschedule once my diary allows. Please do get in touch when you are ready to proceed and we can look at availability.’

The tone throughout should be warm and professional, not passive-aggressive. You are running a business with real constraints, and you are communicating that clearly. Most clients respond well to this. Those who do not may simply not be the right fit for the way you work.

Making Decisions Easier for Clients

One of the most effective ways to reduce decision time has nothing to do with timelines at all: it is about reducing decision fatigue.

If you are presenting twelve fabric options and asking a client to choose, you are not really curating. You are outsourcing. Present two or three options that you genuinely think will work, and tell them which one you would choose and why. Clients who trust you will often go with your recommendation. Those who do not were never going to decide quickly, regardless of how many options you give them.

Structure your decision-making sessions rather than sending PDFs into the void. A 30-minute presentation call, where you walk through the options and address questions in real time, will produce faster decisions than a beautifully formatted document that sits in an inbox.

Sequencing also helps. Tackle the biggest structural decisions first, layout, major furniture, overall palette, before moving to the details. Clients who are still undecided about their sofa are very rarely ready to think about cushion fabric.

Genuine Flexibility vs. Habitual Procrastination

Setting firm timelines does not mean being inflexible. There will be clients who are dealing with family illness, a house sale falling through, or a work crisis. These situations warrant genuine understanding and a rescheduled timeline.

The distinction is between a client who communicates and asks for more time, and a client who simply goes quiet and expects the project to wait indefinitely. The first deserves your patience. The second needs clearer boundaries.

When real life intervenes, acknowledge it directly: ‘I completely understand this is a difficult time. Let’s agree a revised timeline that works for you, and I’ll do my best to hold the current product selections in the meantime.’ That is professional, human and clear.

Decision Deadline Management as a Business Standard

Here is the bigger picture: how you manage timelines says a lot about how you run your business. Designers who have clear, consistent systems, including decision deadlines, attract clients who respect those systems. Designers who absorb whatever comes their way tend to attract clients who expect that to continue.

If you are consistent in how you apply your policies across all clients, you create a reputation as someone who is professional, reliable and in control of their projects. That is a significant selling point, particularly for the kind of clients who are themselves busy professionals and value their time.

The designers I have worked with who feel most settled in their businesses are the ones who have built these structures in from the start. They do not dread following up. They do not feel guilty for enforcing their terms. And, perhaps counterintuitively, their clients tend to be happier, because projects run more smoothly and outcomes are better when everyone knows what is expected.

Ready to Build Stronger Business Systems?

Decision deadline management is one piece of a much bigger picture when it comes to running a sustainable interior design business. If you are finding that client management is eating into your time, your energy and your income, it is often a signal that your underlying systems need a proper look.

Our Hub Insiders business membership is designed for designers who are ready to build a business that actually works, with trainings, guidance and support to implement the steps you need to take in your business properly. It comes with a caring community and fortnightly support calls where you can talk through exactly these kinds of challenges with experienced designers who have been there too. Check it out >HERE<

Before you dive in there, though, it might be worth reading about scope creep first, because decision deadlines and scope boundaries are closely connected. If clients are regularly missing deadlines, scope creep is often not far behind. Take a look at ‘How to Handle Scope Creep Like a Pro (Without Upsetting Your Clients!)’ for the practical framework that goes hand in hand with everything covered here. Just click the image below to get started:

Link to blog post How to Handle Scope Creep Like a Pro

Last reviewed: April 2026

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About the Author

kate hatherell interior designer

Kate Hatherell is the founder of The Interior Designers Hub and a qualified interior design professional with extensive experience in the industry. She has helped hundreds of people transition into successful interior design careers through the Hub’s Ofqual-regulated Level 3 Diploma in Professional Interior Design and a range of business training and mentoring programmes.

Kate serves as a consultant and professional advisor to AIM Qualifications and Assessment Group, contributing specialist industry expertise to the development of new interior design qualifications across the UK. She also delivers SketchUp training to students around the world, and is committed to providing practical, industry-relevant education that prepares designers for real-world careers and thriving businesses.