Guides

How to Make an Offer on a House in London

By Seymont London ·

A London interior photographed for Seymont London

Making an offer on a house in London requires strategic thinking and an understanding of local market conditions. Once you've found the right property, submit your offer in writing through the estate agent, stating the price, your position (cash buyer, mortgage agreed-in-principle, or chain), and proposed timescales. The seller may accept, reject, or counter your offer—and until contracts exchange, nothing is legally binding. London's property market moves quickly, particularly for desirable homes in competitive postcodes. A well-judged offer supported by proof of funds and mortgage approval stands the strongest chance of acceptance. Our guide walks you through each stage of the offer process, from initial research through to acceptance and the steps that follow.

Research the Property and Local Market Before Offering

Before making an offer on a house, examine recent sold house prices in the immediate area using HM Land Registry's Price Paid Data (available at gov.uk). Compare properties of similar size, condition, and period—whether Victorian house, Edwardian terrace, or modern flat—to establish a realistic valuation range.

Consider how long the property has been listed and whether the asking price has been reduced. A house for sale in London that has lingered for several months may indicate room for negotiation, while a newly listed home in a sought-after neighbourhood will attract multiple bidders. Review the Energy Performance Certificate, survey any visible maintenance issues, and factor these into your offer price.

Our team also recommends assessing comparable properties currently listed as house for sale near me to understand your competition. If several similar homes are available, sellers may be more receptive to negotiation; if stock is limited, you may need to offer closer to—or even above—the asking price.

Speak with local agents, including our team at Seymont London, to gauge buyer appetite and recent sale-to-asking-price ratios in the postcode. This intelligence will inform your opening offer and negotiating strategy.

Decide Your Opening Offer and Maximum Price

Establish two figures before you begin: your opening offer and the absolute ceiling you're willing to pay. Your opening bid should reflect the property's condition, time on market, and your research into housing price trends, but leave room for negotiation without undervaluing the home so severely that the seller dismisses you outright.

In a competitive London market, lowball offers rarely succeed and can alienate sellers who have multiple interested parties. If the property is well-priced and you're serious, an offer within five to ten per cent of the asking price is often more credible. For homes requiring significant renovation or those that have been listed for an extended period, a larger discount may be justified.

Your maximum price must account for all associated costs: Stamp Duty Land Tax (SDLT rates and thresholds are published by HMRC at gov.uk), survey fees, legal fees, and removal costs. Calculate your budget carefully to avoid overcommitting financially and ensure you have a clear walk-away point if negotiating house price reaches your limit.

Remember that the best offer isn't always the highest. Sellers value certainty, speed, and a clean chain position, so highlight these strengths when structuring your proposal.

Submit Your Offer in Writing Through the Agent

Once you've settled on a figure, contact the estate agent—whether that's our team or another agency—and submit your offer in writing via email. State the offered price, your buyer position (cash purchaser, mortgage agreed-in-principle with proof, first-time buyer, or part of a chain), your proposed completion timescale, and any conditions (such as including fixtures or fittings).

Provide supporting documentation immediately: proof of deposit, mortgage decision-in-principle, and solicitor details if already instructed. This demonstrates seriousness and readiness to proceed, strengthening your position against competing buyers who may not be as well-prepared.

The agent will present your offer to the seller, usually alongside any others received. In London's fast-moving market, particularly for properties listed as house for sale London, sellers may receive multiple offers within days. Clear communication and a strong financial position are essential to standing out.

Be available by phone and email during this period. Sellers and agents often work to tight timescales, and delayed responses can see you lose the property to a more responsive buyer. If you're working with Seymont London on your purchase, we'll guide you through each stage and keep you informed throughout the negotiation.

Negotiate and Reach Agreement on Price and Terms

The seller may accept your initial offer, reject it, or propose a counter-offer. Negotiating house price is a normal part of the process, and most transactions involve at least one round of back-and-forth before terms are agreed.

When a counter-offer arrives, assess it against your maximum price and the property's value. If the seller has dropped by a modest amount, consider whether the difference justifies walking away or whether a further compromise—meeting in the middle—will secure the home you want. Use any issues identified during viewings (damp, outdated electrics, lease length for leasehold properties) as leverage.

In competitive scenarios, you may be invited to submit a 'best and final' offer. This is your one opportunity to put forward your strongest bid; if you're genuinely interested, don't hold back hoping for another round. Sellers typically choose the best overall package—not solely the highest price—so reiterate your buyer strength, flexibility on completion dates, and commitment to proceeding without delay.

Once terms are verbally agreed, ask the agent to issue written confirmation. This document—often called 'offer accepted next steps' or a memorandum of sale—sets out the agreed price, parties, and key dates, though it remains legally non-binding until contracts exchange.

Instruct Your Solicitor and Prepare for Conveyancing

With your offer accepted, instruct a licensed conveyancer or solicitor immediately. They will handle all legal aspects: reviewing the contract, conducting local authority searches, checking title deeds with HM Land Registry, and liaising with the seller's solicitor.

Provide your solicitor with proof of identity, proof of address, and evidence of funds (bank statements, mortgage offer, gift letters if applicable) to satisfy anti-money-laundering requirements. Delays in supplying these documents can hold up the entire chain, so prioritise this step.

Arrange your mortgage valuation and any independent surveys (HomeBuyer Report or Building Survey) as soon as possible. If the survey reveals significant defects, you may need to renegotiate the price or request that the seller undertakes repairs before completion. Keep your estate agent informed of progress and any issues that arise.

Stay in regular contact with your solicitor, mortgage broker, and agent throughout the conveyancing process. The time between offer acceptance and exchange of contracts—typically eight to twelve weeks in London—is when most transactions falter due to poor communication or unexpected complications.

Protect Yourself from Gazumping and Secure Exchange

Until contracts are exchanged, either party can withdraw without penalty, and the seller may accept a higher offer from another buyer—a practice known as gazumping. While frustrating, it remains legal in England and Wales.

To minimise this risk, push for a swift exchange. Demonstrate your commitment by responding promptly to enquiries, keeping your mortgage offer valid, and maintaining close contact with all parties. Some sellers will agree to remove the property from major portals once an offer is accepted, reducing the likelihood of late competing bids, though this is entirely at their discretion.

Consider asking your solicitor about a 'lock-in' or exclusivity agreement, though these are rare in residential transactions. The most effective protection is speed: the faster you move towards exchange, the less opportunity for gazumping.

Once contracts are exchanged, both parties are legally committed. You'll pay a deposit (usually ten per cent of the purchase price), exchange signed contracts via solicitors, and agree a binding completion date. From this point, the property is legally yours, and withdrawal would result in significant financial penalties.

For further guidance on the London buying process, visit our [dedicated buy page](/buy) or explore our [areas guide](/areas) to understand neighbourhood-specific market conditions.

Complete Your Purchase and Move In

On completion day, your solicitor transfers the remaining funds to the seller's solicitor, and legal ownership passes to you. The seller's agent will release keys once funds are confirmed—usually by early afternoon—and you're free to collect them and take possession.

Before moving in, arrange buildings insurance from the exchange date (most mortgage lenders require this), set up utilities, and notify relevant parties of your address change. If you've purchased a leasehold property, inform the freeholder or managing agent and arrange payment of service charges and ground rent.

Keep all completion documentation safe: the signed contract, transfer deed (TR1), mortgage deed, and SDLT return. Your solicitor will register the property in your name with HM Land Registry, a process that can take several weeks but provides official proof of ownership.

If you're also selling a property, coordinate your sale completion to occur on the same day where possible. Our team at Seymont London can manage both sides of your transaction, ensuring dates align and reducing the stress of simultaneous moves. Visit our [sell page](/sell) for guidance on the selling process, or request a [property valuation](/valuation) to understand your home's current market value.

Frequently asked

How much below the asking price should I offer?
This depends on the property's condition, time on market, and local demand. In a competitive London market, offers within five to ten per cent of the asking price are typical for well-presented homes. Properties requiring renovation or those listed for several months may justify larger reductions. Research sold house prices via HM Land Registry and speak with local agents to gauge appropriate offer levels for the specific postcode and property type.
What happens after my offer is accepted?
After offer accepted next steps include instructing a solicitor, arranging your mortgage valuation and survey, and providing proof of funds and identity for anti-money-laundering checks. Your solicitor will conduct searches, review the contract, and liaise with the seller's legal representative. You'll work towards exchange of contracts (when the transaction becomes legally binding) and then completion, when you take ownership and receive the keys.
Can the seller accept another offer after accepting mine?
Yes. Until contracts are exchanged, either party can withdraw without penalty, and sellers can accept higher offers—a practice called gazumping. To reduce this risk, move quickly towards exchange, maintain close communication with your solicitor and agent, and demonstrate your commitment through prompt responses and readiness to proceed. Once contracts exchange, both parties are legally bound.
Should I offer the asking price in a competitive market?
If a property is well-priced, in excellent condition, and attracting strong interest—common for desirable London postcodes—offering at or even above the asking price may be necessary to secure it. Assess recent sold house prices, understand how many viewings have taken place, and consider whether you're prepared to lose the property over a small percentage difference. Speak with the agent to gauge competition levels before finalising your offer.
How long does it take from offer to completion?
The average timeline from offer acceptance to completion in London is eight to twelve weeks, though this varies based on chain complexity, survey results, and how quickly solicitors and mortgage lenders work. Cash purchases with no chain can complete in as little as four weeks. Delays often occur due to slow searches, mortgage processing, or issues revealed in surveys, so maintain regular contact with all parties to keep momentum.
Do I need a solicitor before making an offer?
While not strictly required before making an offer, having a solicitor already instructed demonstrates readiness and allows you to move quickly once your offer is accepted. Many buyers choose their solicitor during the mortgage application process. If you haven't yet instructed one, do so immediately after your offer is accepted to avoid delays in the conveyancing process.

Keep reading