The short version
Thinking of selling your London rental, but the numbers do not feel right? Before you cut the price or change your agent, here is a calm method: a five-stage marketing check and three questions about price, time and income.
In this guide
- 1Start with why you are selling
- 2Set aside what you paid, just for now
- 3Asking prices are hopes, sold prices are evidence
- 4Tomorrow's value is the third anchor
- 5The cycle, and why I will not predict it
- 6Let your own marketing data speak
- 7Rents up, prices flat: both can be true
- 8Price, time or income: the three questions
- 9Then decide, deliberately
You own a rental property in London. It has served you well, and you have decided that now is the time to sell. The property has been on the market for a while. The portals show plenty of views, there have been enquiries, and you have had a reasonable run of viewings. Nobody has made an offer.
Your agent suggests a reduction. A friend says change agents. Or you wonder yourself whether you should let it again and wait. And in the back of your mind is the figure you paid, which is uncomfortably close to the figure you are now being told it is worth.
In thirty-six years of running Rentals and Sales, I have had versions of this conversation with many landlords. The situation above is a blend of them, not any one client's case. It is a hard conversation because the landlord is usually right about almost everything. The only thing in dispute is what a buyer will pay today, and that is the one thing none of us controls. I cannot give you an answer, because it depends on you. I can give you a method: a way of reading the evidence your own marketing has already produced, and three questions that turn that evidence into a decision.
Start with why you are selling
Before anyone talks about price, be honest about the objective. Do you need the money for something specific, and by when? Are you tired of being a landlord? Is the mortgage no longer working at today's rates? Or does it just feel, after this many years, as though it must be time?
A landlord who needs funds by spring faces a different choice from one who would quite like to sell but has no deadline. Write your reason down. Everything that follows is measured against it.
Set aside what you paid, just for now
Three anchors are about to pull at your judgement: what you paid, what a neighbour is asking, and what the property might one day become. Against all three sits the only hard evidence: what buyers have paid in completed sales.
What you paid matters enormously to you, your lender and your accountant. It matters very little to the person viewing your property on a Saturday morning.
Say you bought a flat in London for £600,000 some years ago and today the evidence suggests it is worth about the same, or a little less. That feels wrong. Rents have risen, and so has the cost of everything else. Surely it should be worth more? But the market does not work out value as purchase price plus inflation plus years owned. Today's buyer is comparing your property with everything else their budget can buy, under current lending conditions and with today's confidence. That is the competition.
I am not asking you to forget your purchase price for good, only to set it aside while we look at the evidence. What you paid is the first anchor, and anchors stop you moving.
Asking prices are hopes, sold prices are evidence
The second anchor is a similar property nearby. You find it on the portals at a noticeably higher asking price than you are being advised to ask, and you wonder, reasonably, why yours should be any less.
Do not dismiss it. Investigate it. Sometimes a competing asking price has real support: recent completed sales nearby, a bigger plot, better condition. Sometimes it has simply not yet been tested by a buyer.
But hold the two kinds of evidence at different weights. An asking price tells you what somebody would like to receive. A completed sale, registered at HM Land Registry, tells you what a buyer actually agreed to pay. Both are useful. They are not equally persuasive.
One similar sale is never the market. Build a picture. Look at your road and the adjoining ones, similar floor areas, condition, outside space and tenure. Note what is under offer, what has fallen through and what has completed in the last year. The aim is not to find the one sale that proves your opinion, but to hear what all the evidence says together. Price per square foot is a useful servant and a terrible master.
Tomorrow's value is the third anchor
The third anchor is what the property could become. A garden, a parking space, scope to extend or existing planning consent all matter, because they take some uncertainty and risk away from a buyer.
The trap is double-counting tomorrow's home today. A buyer rarely pays the full value of the improved property up front. They still have to pay for the works, live through them, carry the building risk and commit the capital. Potential adds value. It does not turn today's property into tomorrow's valuation.
The cycle, and why I will not predict it
I have worked through three significant property downturns. In every one, people behaved as though that moment would last for ever. In every boom, they did the same.
So I will not tell you where the market goes next, or when, because nobody knows. What I will say is this: today's valuation is a valuation of today's market. That cuts both ways. A disappointing figure today is a reading of today's market, not a forecast, and nobody, including me, can promise you a better one by waiting.
Once we stop arguing with the market, we can ask what it is telling us.
Let your own marketing data speak
This is the heart of the method, and you can apply it this week, whichever agent you are with. Once a property has been properly exposed to the market for a few weeks, it starts producing its own valuation evidence. Ask your agent for the numbers, then walk through five stages in order.
- Seen. Are buyers seeing the listing in their search results at all? If the portals report few appearances, the problem is exposure: where the listing sits in the results, its price band, how it was launched and the first photograph.
- Opened. Of the people who see it, how many click through to the full listing? If few do, look at the lead photograph, the headline and the price as it appears in search results.
- Enquiries. Are the people who open it turning into calls and emails? If people read the full listing and move on, they may like the look of it but not the value at that price.
- Viewings. Are enquiries turning into visits? If not, check that enquiries are answered quickly and that the people enquiring are in a position to proceed. Check too that viewing times and access are easy, and that the listing fairly represents the property.
- Offers. Are viewings turning into offers? This is the stage that tells you most. Say you have had a good run of viewings and not one offer. Buyers liked the property enough to come and see it. They then compared it with the alternatives their money could buy, and chose not to proceed at that price.
Read without flinching, these five stages will usually point to whether you have a marketing problem, a presentation problem or a pricing problem. They call for different responses, and a price cut is the right answer to only one of them.
"We just need one buyer" is technically true. Commercially, it is not a strategy.
Rents up, prices flat: both can be true
Which brings back the question from earlier: how can the rent rise while the value stands still? It can, because rents and sale prices are different markets operating inside the same asset.
Rental demand tends to hold up where supply is tight and ownership is out of reach for many would-be buyers. Sale prices are driven by mortgage affordability, lending criteria, stamp duty, buyer confidence and how many similar properties are for sale at the same time. Those forces do not always move together.
Rising rents alongside a flat value is information, and belongs in your decision.
Price, time or income: the three questions
This is where the evidence meets your objective. Three questions, answered plainly, usually settle the matter.
- Price. What can the market realistically pay today, based on completed sales and your own marketing data, not on asking prices or on what you paid?
- Time. Do you need or want to sell now? Is there a deadline, a life event, a mortgage product ending, a tax position to consider? Or is "now" simply when you happened to put it on?
- Income. What does the asset produce while you hold it, after mortgage, management, maintenance and compliance costs, and what could it produce under a properly set-up new tenancy?
Now what you paid comes back in. It has no bearing on what a buyer will pay. It does shape your own position: what you owe, what you would walk away with, and what the capital tied up in the property is earning for you.
Then decide, deliberately
You are now choosing between three paths, and each is legitimate.
Sell at today's market. The evidence is clear, your objective says sell, and you accept the figure for what it is rather than what you hoped.
Re-price with a reason, and test again. This is not "knock a round number off and see what happens". A reduction should have a rationale. Why this figure? What evidence supports it? Which buyers does it bring into range, and does it move you into a different portal search bracket? When will you review the result? An asking price is a hypothesis. The market tests it. If the test changes the evidence, the advice should change too, and I would rather say so than leave the property sitting on the portals for months, hoping.
Decide this is not the market in which you want to sell. Return the property to letting, properly set up under the current rules, and revisit the sale when your objectives or the evidence change. It is not a failure.
What you want to avoid is the fourth option: drifting, another month on the portals at the same price, no plan. The method exists so that you do not drift, and it costs nothing but an honest hour with your own data.
One general point for any landlord on the third path. The Renters' Rights Act 2025 introduced a selling ground (Ground 1A), which lets a landlord recover a property in order to sell it. If you have served notice on that ground, a restricted period applies during which the property cannot be let or marketed to let, whether or not the tenant has moved out. Take advice before letting it again.
Sources
Facts checked against the sources above on 7 October 2026. This is general information for landlords in England, not legal or tax advice. Rules change and your circumstances matter, so check the current position or ask us before you act.
How we can help
Rentals and Sales lets, manages and sells homes from our Wimbledon office across Wimbledon, Raynes Park, Tooting, Earlsfield, Southfields and Mitcham, in Merton and Wandsworth.
