- Marcus Reilly Estate Agents Ltd.
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Start planning your move with clarity.
What you need to know about: selling
Meet Harrie Vischjager, Owner
Page Contents
How to Discover Your Home’s True Value
A valuation you can trust PLUS a strategy and plan you can rely on.
What is a Valuation?
In the UK, the term ‘valuation’ is confusingly used to describe any number of formal and informal assessments of the value of a property—we’ll talk about those later. But most people simply want to discover what their home is worth—an estate agent-led appraisal of your home’s potential selling price so you can start planning your future.
But here’s the part most people don’t tell you: a valuation is only ever a snapshot, a market appraisal. It’s a moment‑in‑time opinion, shaped by assumptions, timing, buyer behaviour, micro‑market trends, and the agent standing in your hallway. That’s why valuations can vary so much depending on who you ask.
And it’s only part of the story.
A standard valuation gives you a helpful snapshot. But it’s only the first step of what you need to make confident decisions and build a solid strategy for selling.
Discovering the real value
A Valuation gives you a Number—You need the complete Story.
What you actually need is something bigger: clarity about your position, confidence in your next move, and a strategy that protects you from the traps that quietly cost sellers time, money, and momentum. And an accurate valuation of course!
At Marcus Reilly, every valuation sits within a Discovery Consultation, a deeper, evidence‑based assessment designed to give you clarity, confidence and a clear way forward. It is a strategic conversation that gives you a realistic valuation you can understand, a pricing strategy, and a clear plan for your move — not just a number.
I recently met a family who had been told their house was worth over £30k more than it was. They didn't need a better number; they needed a reality check and a plan to save their upward chain.
Harrie Vischjager, Marcus Reilly Founder
Talk to us about your Discovery Consultation. It’s a proper conversation where we look at the market, the competition, your goals, and the best way to approach your sale. No pressure. No jargon. No lock‑ins. Just straight, honest guidance so you can move forward with confidence. or even decide not to move at all.
What most sellers ask us first:
How much is my home worth? A fair question — and the answer depends on more than a single number. See: Valuation vs Discovery Consultation
How long will it take to sell? Timing comes down to the market, the competition, and how you launch. Jump to: Launch Window & Momentum Marketing
What’s the first step? We start with a simple conversation to understand your plans and your home. Jump to: Stage 1 — Discovery Consultation & Pricing Strategy
- Why Valuations Vary →
- Online Valuation Tools →
- Formal vs Informal Valuations →
The Valuation Trap
And why the highest valuation can lose you money.
The most expensive mistake you can make is choosing an agent based on the number they give you, rather than the plan they have to achieve it.
Harrie V.
In New Malden, Kingston and Wimbledon, valuations can differ by tens of thousands of pounds — and that inconsistency makes it hard to know what to do and who to trust. It becomes even more difficult when one agent gives you a high valuation simply to win your listing—knowing that you will need to drop the price later.
A Valuation gives you a number.
But to understand what your home is truly likely to achieve, you need more than a headline figure. You need the variables that actually shape your outcome:
- Projected Selling Price — a data‑backed range based on how buyers in KT3/KT2 are actually behaving.
- Launch Window — the crucial 14-21 day early period where timing and competition influence your final price.
- Micromarket Insight — street‑level demand that often differs from the wider postcode trend.
- Buyer Psychology — We make sure you hit the right “search filters” on portals where a £5k “ego” bump can cost you 50% of your audience.
A valuation gives you a number—a Discovery Session gives you a complete strategy to help you secure your move.
Why ‘Testing-the-market’ Backfires.
Testing the market with an ‘optimistic’ price sounds harmless. It isn’t.
Overpricing trades your strongest moment of buyer attention — the Launch Window — those first 14-21 most active days of your listing. It sets you up for future price cuts. And once that early momentum is gone, no reduction can recreate it.
- Industry figures show that overpriced homes take 2×–2.4× longer to sell.
- Reductions don’t restore momentum; they signal weakness.
- Discount‑seekers move in, while serious buyers move on.
- The listing becomes a problem to be solved, not a home to be fought for.
This is the part sellers never see coming. The market doesn’t punish you immediately. It punishes you slowly, and in so many ways.
The hidden cost: mind the surveyor gap
Even if a buyer agrees to your inflated price, the lender’s surveyor may not. That’s the Surveyor Gap — the difference between what a buyer feels and what a bank will fund.
If the surveyor downvalues, you face renegotiation, delays, chain instability and even the risk of starting again.
We can’t say it strongly enough: you need to look past the offer and into the completion reality — the part most valuations ignore.
- Why Valuations Vary →
- Online Valuation Tools →
- Formal vs Informal Valuations →
What About Online Valuations?
While we’re talking about valuations, what about Online Valuations or AVMs—Automated Valuation Models? They can be a useful starting point, but they’re based on very broad data — and they know nothing about the specific features, condition, presentation or timing of your home, let alone micro-market variations.
That’s why they often feel higher or lower than you expect—or hope. Both buyers and sellers need to understand how these systems work, and how a home compares to the wider data, and how those numbers translate into a real‑world strategy. They’re helpful as a reference point, but they’re not a substitute for a detailed, in‑person assessment.
The Marcus Reilly Valuation.
That’s why we take a different approach. At Marcus Reilly, valuation isn’t a sales tactic. It’s the start of a relationship built on honesty, clarity, and proper guidance.
Every valuation we provide is delivered through a Discovery Session — a more strategic, more accurate and more helpful way to understand your home’s value and your next steps.
Why Typical Valuations Leave Sellers Confused.
A ‘Free Valuation’ is a sales tool designed to win your instruction. If you’ve ever had an estate agent ask, “Do you have a figure in mind?”, you’ve already experienced it.
It’s most commonly used to make sure the agent doesn’t step too far outside of your expectations—high or low.
You can read all about the impact of over-valuations designed to win your listing—usually termed as ‘testing the market’— in our full guide here.
A Discovery Session is the opposite.
It’s a structured, evidence‑based process designed to help you:
understand your home’s true market position
avoid overpricing traps
plan your move with confidence
protect your timeline and your chain
make better decisions, whether you’re selling now or planning ahead
It’s not a quick visit. It’s a strategic foundation for your entire move—but it is still free!
Discover our Discovery Sessions
Everything you'd expect from a traditional valuation—and everything you wish it included.

What you get
- A full, informed market appraisal and valuation
- Street‑level insights into your micro‑market
- A clear plan for your first 10–14 days on the market
- Pricing guidance based on real buyer behaviour
- Advice on what to fix, what to ignore, and what genuinely helps your sale
- A personalised roadmap for securing your move
Standard Valuation vs Discovery
| Feature | Standard Valuation | Marcus Reilly Discovery Session |
|---|---|---|
| Market Appraisal | Included | Included |
| Price Rationale | Basic | Data‑backed, granular, locally informed |
| Buyer Behaviour Insights | None | Full analysis |
| Launch Window Planning | None | Essential part of the session |
| Move‑Planning | None | Full timeline & strategy |
| Chain Risk Assessment | None | Included |
| Presentation Advice | Minimal | Tailored recommendations |
| Outcome | A single number | Confidence, clarity & a clear plan |
Understanding Valuations
Why do valuations vary? What really shapes your home's value? How does timing play a part?
Understanding Why Valuations Vary
As we said at the start, a valuation isn’t a promise — it’s an informed opinion. Different agents will weigh different factors in different ways: recent sales, local demand, presentation, competition, timing, buyer behaviour, and their own research and experience of the area. Online valuation tools also interpret data differently, which is why their estimates can vary from each other — and from in‑person appraisals.
That’s why any two valuations can sometimes feel miles apart. It doesn’t mean one is right and one is wrong — it simply reflects how differently people interpret the depth and accuracy of information they have used.
Why Timing Matters and How to Plan for Launch
Your home’s final sale price is shaped by more than just how it’s presented, but timing: what it’s competing with, the strength of local demand, the timing of your launch, and how buyers respond when it goes on the market. That’s one of the reasons we like using Open Days to capitalise on those first crucial days.
A Discovery Session brings all of this together into one clear picture. Instead of a single number, you get the context behind it — the evidence, the strategy, and the steps that will shape your final result.
Valuation, Market Appraisal or Survey?
Valuation or Survey? Which do you need? What did you get?
In the UK, the word “valuation” is used to describe several different things — which is why sellers often receive conflicting advice. Here’s the simple version:
Selling? You need a Market Appraisal — an estate agent’s expert opinion on your likely sale price.
Buying? You need a Home Survey — a report on the property’s condition.
Borrowing? Your lender will arrange a Mortgage Valuation — a check to protect their loan.
Legal purposes? You may need a Formal (Red Book) Valuation from a RICS surveyor.
| Service | Purpose | Who is it for? | Provided by |
|---|---|---|---|
| Market Appraisal | Set a realistic asking price | The Seller | Estate Agent |
| Mortgage Valuation | Confirm property value for a loan | The Lender | Bank’s Surveyor |
| Home Survey (L2/L3) | Identify defects and repairs | The Buyer | RICS Surveyor |
| Legal Valuation | Probate, Divorce, or Tax | Courts/HMRC | RICS Valuer |
An Example: Mortgage Valuations vs Market Appraisal
A lender’s valuation is not a survey, nor a market appraisal. It is simply a risk check for the bank. Remember that it is designed to protect the lender, not the buyer, and is often more conservative than the true market value. The figure is usually confidential and rarely shared—even though it can affect offers, chains and timelines.
Guide: What Happens When the Mortgage Valuation Comes in Low →
What Happens after your Discover Session?
Once you have your valuation and strategy, we guide you through the next steps:
preparing your home for photography
creating your launch plan
choosing the right pricing strategy
timing your entry into the market
understanding how to protect your chain
It gives you clarity from valuation to launch — and beyond. If you want to understand more about how we value your home and what makes the real differences, check out our detailed information here.
Understanding Your Home’s True Value
Explore all our Full Guides
If you’d like to understand how pricing, timing and buyer behaviour shape your home’s value, or anything else about the home buying and selling process, explore our in‑depth guides.
Frequently Asked Questions
Is a Discovery Session the same as a Valuation?
Your fully informed valuation is included, but the Discovery Session goes much further—giving you the details behind the number and the strategies to achieve it.
Check out our full Discovery process here.
How long does a Discovery Session take?
The initial Discovery Session is about 45-60 minutes and will leave you with a good understanding of your options. Should you become a client, the process never stops as we get to know you and your goals and objectives.
Check out our full Discovery process here.
Do I need to prepare anything in advance?
No — but if you have any plans, questions or concerns, please bring them along.
Check out our full Discovery process here.
Is there any obligation?
None at all. The session is designed to help you make informed decisions. All the information we discuss is yours to use as you wish.
Of course we hope that you will consider working with us, based on the value we offer — but it’s not an obligation.
Can we do it remotely?
Yes — we offer both in-person and video sessions.
Of course, it is more difficult in a video session since we don’t get to see the inside of your property.
So it depends on what you need at the stage you’re at. Even if we can’t do a full discovery session, we’re sure you’ll get good value from our discussion.
Read from our blog
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