How to Choose an Estate Agent to Sell Your House in the UK

Choosing an estate agent feels like it should be straightforward. You invite a few round, see what they say, pick the one you like. But the way most sellers make this decision — based largely on the valuation figure they're given and how much they liked the agent's personality — is exactly how you end up with the wrong person selling your biggest asset.

The agent who gives you the highest number is not necessarily the best agent to sell your home. In fact, there's a well-documented pattern of agents inflating valuations to win your instruction, then managing you down on price once you're signed in and the listing has been sitting for weeks. The valuation is a sales pitch, not a promise.

Here's how to make a better decision.

Step One: Know What Your Home Is Actually Worth Before Anyone Comes Round

The single most effective thing you can do before inviting any agent to value your property is to establish an independent baseline yourself.

HM Land Registry publishes every completed property sale in England and Wales. You can look up what comparable properties — same type, similar size, same area — have actually sold for, recently. That's the honest market signal. Not what agents think it might achieve. Not what Rightmove's algorithm estimates. What real buyers actually paid.

Brix&Mortr does this automatically. Enter your address and get a price range built on real Land Registry sold prices, with the specific comparables behind it. Take this number into every agent meeting. It's your filter — any agent whose valuation is dramatically above it needs to justify the gap with specific, verifiable evidence.

Step Two: Invite at Least Three Agents

Get at least three valuations before making a decision. Not because you'll necessarily take the middle figure, but because the range tells you something important.

If three agents value your home at £295,000, £300,000 and £305,000, you have a coherent picture. If one comes in at £340,000 with the same property, you know something is wrong with that figure — and with that agent's approach. As we explored in our post on estate agent overvaluation, the highest valuation is often the least accurate.

Invite agents from a mix of types: one or two local independents who know the area well, and one larger regional or national brand. Online-only agents are worth considering for their lower fees, but check carefully how they handle viewings and negotiations — some models require you to do more of the work yourself.

What to Ask Every Agent

Can you show me the comparables behind your valuation?

A credible valuation is built on specific evidence — real properties, nearby, recently sold, comparable in type and size. Ask the agent to show you the transactions they used. If they can't produce specific sold prices to support their figure, the number is guesswork.

What's your average asking price versus sold price ratio?

A good agent achieves close to asking price consistently. An agent with a pattern of significant reductions between asking and sold prices is an agent who either overvalues to win instructions or struggles to achieve their own estimates. You can research this independently on Rightmove's listings — look at completed sales and compare original asking prices to sold prices where visible.

How long are your properties taking to sell on average?

The UK average time to offer is around 38–64 days. An agent consistently outperforming that has something working in their favour. One who regularly has listings sitting for four, five, six months should explain why.

How many other properties are you currently handling?

An agent who is stretched across too many listings has less time for yours. Find out how many active instructions each individual negotiator handles. Attention matters — particularly in the first two to three weeks when a listing gets the most organic interest.

What marketing will you do beyond Rightmove and Zoopla?

Portal listings are the baseline — every agent does them. Ask what else they do: social media, email database, local canvassing, video tours, floor plans, professional photography. The quality of the initial listing has a measurable impact on viewing numbers, especially in the first week when new listing algorithms give you the most visibility.

What type of contract are you proposing and for how long?

Most agents push for sole agency agreements of 12–16 weeks. Be cautious about long contracts, especially when paired with a high valuation — this combination is a common pattern. Eight weeks is reasonable. If an agent insists on longer, ask why. Multi-agency agreements give you flexibility but typically come with higher fees.

The Valuation: How to Read It

When the valuations come in, apply this framework:

If one is significantly above the others, ask that agent for their comparable evidence. If they can produce recent sold prices that support the figure, it might be a genuine difference of opinion about your property's premium features. If they can't, it's almost certainly an attempt to win your instruction.

If the cluster is below your Land Registry baseline, that's also worth questioning. It might reflect specific market conditions, or it might mean you've attracted cautious agents who are pricing to sell quickly for their own convenience.

The most important thing is not to make your decision based primarily on the highest number. The agent who can demonstrate the strongest marketing, the clearest local market knowledge, and the most transparent evidence for their valuation is a safer bet than the one who told you what you wanted to hear.

Fees: What to Expect

High street estate agents typically charge between 1% and 3% of the sale price, plus VAT, under a no-sale-no-fee model. On a £300,000 property, that's £3,000–£9,000.

Online agents charge fixed fees, typically £500–£1,500 upfront or on completion. The trade-off is typically less hands-on service during negotiations and viewings, though some online models have improved significantly.

Don't choose purely on fee. A cheaper agent who achieves £10,000 less for your property has cost you more than an expensive one who achieved full asking price. But do negotiate — most agents will move on their fee if you ask, particularly if you're a good prospect with a well-presented property.

Red Flags to Watch For

Frequently Asked Questions

How many estate agents should I invite to value my home?

At least three. This gives you enough data to identify outliers and assess each agent's approach comparatively. More than four or five becomes unwieldy and the incremental value diminishes.

Should I choose the estate agent with the highest valuation?

Not on that basis alone. The highest valuation is frequently used as a tactic to win instructions, with the expectation that the seller will accept a reduction once the property has been sitting on the market. Choose based on evidence, track record, and marketing capability — not the number.

How do I check an estate agent's track record?

Look at their recent listings on Rightmove and Zoopla. How many have had price reductions? How long are properties sitting before they sell? How close are sold prices to original asking prices? This is publicly available information and gives you a more honest picture than anything an agent will tell you about themselves.

What's the difference between sole agency and multi-agency?

Sole agency means you commit to one agent for a set period. Multi-agency means multiple agents can market your property and the one that sells it earns the fee. Multi-agency typically costs more (1.5%–3.5% vs 0.75%–1.5% for sole agency) but gives you flexibility and competitive pressure. It's worth considering if your first choice of agent doesn't perform.

Can I change estate agents if my house isn't selling?

Yes, but check your contract first. Most sole agency agreements include a notice period — typically 2–4 weeks after the initial exclusivity period ends. Once you're free, you can relist with a new agent. Relisting also resets the "days on market" counter on the portals, which can help refresh buyer interest.