Selling Your House Online: The Platforms That Work Fastest in the UK | We Buy Any House

20th October 2025
10 mins
Ben Carter

Discover the fastest ways to sell your house online and why We Buy Any House offers a quick, stress-free sale in as little as 7 days.

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Selling a house has never been more accessible, transparent and convenient. Over the past decade, online property platforms have revolutionised how homeowners sell their homes, removing much of the stress, paperwork, and waiting that once defined their process.

Yet, with so many platforms promising quick results, which ones truly deliver on speed and reliability?

In this comprehensive guide, we’ll explore the different types of online selling platforms, assess which are fastest, and reveal why We Buy Any House stands out as the ultimate choice for homeowners seeking a quick, guaranteed, and stress-free sale.

The rise of online property sales in the UK

The UK property market has shifted dramatically toward online platforms over the past 15 years. In fact, it’s estimated that over 90% of property sales now begin online, whether that’s through portals like Rightmove, social media advertising, or instant cash buying services.

This transformation is driven by the way modern homeowners and buyers interact with technology. With high-resolution images, 360˚ virtual tours, and real-time property alerts, selling online has become not only the norm but also the expectation.

Why online selling has taken over

  • Speed and convenience: Sellers can upload property details, arrange valuations, and even finalise offers online, without needing to step into an estate agent’s office.
  • Wider reach: Platforms like Zoopla and Rightmove receive millions of monthly visits, vastly increasing exposure compared to traditional methods.
  • Data-driven decisions: Online valuations and market analytics allow sellers to make more intelligent pricing choices.
  • Transparency: You can easily compare offers, track viewings, and monitor interest levels in real time.

But while the internet has democratised property sales, not every online platform is equally efficient. Some focus on visibility, others on affordability, and a select few, like We Buy Any House, specialise in pure speed.

Understanding the main types of online property platforms

Before deciding which route is right for you, it’s essential to understand the four main categories of online platforms that dominate the modern housing market:

  • Online estate agents: Combining digital tools with traditional sales processes.
  • Property portals: Large-scale listing platforms such as Rightmove and Zoopla.
  • Online auctions: Competitive bidding environments for fast transactions.
  • Direct cash house buyers: Companies that purchase your property outright, such as We Buy Any House.

Each option caters to different needs but if speed is your priority, the differences are crucial.

Online Estate Agents

How they work

Online estate agents such as Purplebricks, Strike, and Yopa allow sellers to list their homes on major property portals like Rightmove and Zoopla. They typically charge fixed fees rather than commission percentages.

Benefits

  • Lower fees compared to high-street agents
  • Widespread online exposure
  • You can manage viewings and negotiations online

Drawbacks

  • Sales still depend on market demand and buyer interest
  • Average sale time can range from 8 to 16 weeks, like traditional estate agents
  • Some offer limited customer support after listing

Verdict

Online estate agents are cost-effective and flexible, but not necessarily fast. They’re ideal for sellers with time to wait for the right offer.

How do Online Estate Agents compare to traditional Estate Agents

The main difference lies in fees, service and personal involvement.

Feature Online Estate Agents Traditional Estate Agents
Fees Fixed, from £0-£999 upfront Commission 1-2% of the price
Support Mostly remote or online In-person valuation and negotiation
Speed 8-16 weeks average 10-20 weeks average
Exposure Same (Rightmove/Zoopla) Same, plus local marketing

Online estate agents are often cheaper and more flexible, but sellers trade off personal guidance and local expertise. For sellers prioritising cost savings, they’re a solid choice. However, those who need fast, certain results may still find these timelines too slow.

Property portals

How they work

Platforms like Rightmove, Zoopla and OnTheMarket dominate property listings. While homeowners can’t typically list directly (you need an estate agent) these portals are powerful marketing tools.

Benefits

  • Massive buyer audiences, Rightmove has over 130 monthly visits
  • Detailed analytics and marketing exposure
  • Easy comparison of similar listings in your area

Drawback

  • You still need an agent or a third party listing service
  • Properties can linger unsold for months in competitive markets
  • Buyers often expect negotiation and can pull out mid-process

Verdict

Property portals are excellent for visibility but not designed for fast completions. Ideal for those seeking the best price over speed.

Online property auctions

How they work

Online auctions like iamsold, SDL Auctions, and Modern Method Auction platforms allow sellers to list properties for timed bidding events. These can be completed in weeks, rather than months.

Benefits

  • Transparent bidding, you can see every offer
  • Serious buyers, who must pay reservation fees
  • Fast completion, often within 28-56 days

Drawbacks

  • Final sale price can be unpredictable
  • Fees for sellers and buyers can be significant
  • Not ideal for homes needing major repairs or low demand areas

Verdict

Auctions are a great middle ground for those seeking speed and competitive bidding. However, pricing risk and fees should be carefully considered.

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Homeowners using online estate agents to list their property on major portals like Rightmove and Zoopla.

Auction vs Cash Buyers: What sellers consider?

Factor  Online Auction Direct Cash Buyer
Speed 4-8 weeks 1-2 weeks
Certainty Conditional (depends on highest bidder) Guaranteed once offer accepted
Sale price Market driven Slightly below market value
Fees Medium (seller and buyer costs) None
Ideal For Sellers with marketable homes seeking fair competition Sellers who prioritise speed, certainty and convenience
In summary

Auctions are a good middle ground for sellers who can afford to wait a few weeks but want faster results than a typical sale. However, for homeowners who need absolute certainty and completion within days, a cash buyer like We Buy Any House remains the most dependable choice.

Instant Online Valuation Tools

How they work

Websites like Zoopla, Rightmove, and Property Price Advice offer quick valuations based on data from recent sales, local market conditions, and comparable properties.

Benefits

  • Get an estimated value in seconds
  • Useful for planning and benchmarking offers
  • No obligation to sell

Drawbacks

  • Valuations can be inaccurate or outdated
  • Do not facilitate the actual sale process

Verdict

Online valuations are a great starting point, but not a selling solution. They provide insight, not a completed transaction.

Fast house-buying companies

How they work

Companies like We Buy Any House and House Sales Direct offer a unique solution, to buy or sell your property directly for cash. There’s no need for listings, viewings or waiting for mortgage approvals.

Benefits

  • Speed: Sales can complete in as little as 7 days
  • Certainty: Guaranteed sale with no chains or fall throughs
  • Simplicity: No estate agent fees, no repairs required, no waiting
  • Cash offers: Buyers are ready with funds, removing delays

Drawbacks

Offers are typically below full market value (in exchange for speed)

Less suitable if maximising price is your top goal

Verdict

For sellers prioritising speed, certainty, and convenience, fast house-buying companies are unmatched. Whether you’re facing repossession, relocating, or simply want a quick, stress-free exit, this route provides the fastest and most reliable outcome.

Step by step: How selling to We Buy Any House works

Request a free cash offer

Fill out a quick online from with your property details. Within 24 hours, you’ll receive an initial no obligation offer based on market data.

Get a professional valuation

Our experts review your property using local data, recent comparable sales, and current trends to confirm a fair cash price.

Accept and complete

Once you accept, We Buy Any House handles all the legal, survey and conveyancing work, completely free of charge. Completion can occur in as little as 7 days.

Receive your funds

The entire sale is handled transparently, with your funds securely transferred upon completion.

Why it works

  • No estate agents
  • No hidden fees or commissions
  • No waiting for buyers or mortgage approvals
  • A guaranteed sale, every time
Platform Type Average Completion Time Fees Speed Rating Ideal For
Online Estate Agent 8–16 weeks Low ⭐⭐⭐ Cost-conscious sellers
Property Portal 12–24 weeks Medium ⭐⭐ Exposure-focused sellers
Online Auction 4–8 weeks Medium ⭐⭐⭐⭐ Sellers seeking a mix of speed and market price
Fast House Buyer 1–2 weeks None ⭐⭐⭐⭐⭐ Sellers prioritising speed and certainty

From this comparison, the clear winner for fastest sale is a cash house buyer like We Buy Any House.

When speed really matters:

There are many circumstances where selling fast isn’t just preferable, it’s essential:

  • Avoiding repossession or financial strain
  • Relocation for work or family reasons
  • Dealing with probate or inheritance properties
  • Divorce or separation requiring asset division
  • Broken chain or buyer withdrawal

In all these scenarios, the traditional sale process can be painfully slow and uncertain. Online agents and portals may expose your home to buyers, but they can’t guarantee results. A direct cash sale can.

The future of selling property online

The online property market is evolving faster than ever before, driven by innovation, data and consumer demand for convenience. What began as a simple digital listing revolution has transformed into a sophisticated ecosystem of AI-driven valuation tools and predictive market analysis.

Artificial Intelligence and Predictive Analysis

AI is playing a central role in streamlining property sales. Modern AI systems can now analyse thousands of data points, from local market trends and historical sales data to school ratings and commute times, to generate highly accurate property valuations.

Predictive analytics can even forecast how long a home might take to sell and what price it’s likely to achieve, helping sellers make faster, more informed decisions.

Virtual viewings and remote transactions

The rise of virtual and augmented reality has also changed how buyers interact with properties. Virtual tours, 3D floor plans, and digital staging allow buyers to explore homes from anywhere in the world, increasing visibility and helping sellers connect with serious buyers more easily.

Remote digital verification and electronic signatures mean that entire sales can be managed online, from initial valuation to legal completion, without ever leaving your home.

Balancing technology with human needs

Despite these advances, the core needs of sellers haven’t changed. Speed, certainty and convenience continue to drive decisions.

For many homeowners, the ability to sell quickly, even at a slightly reduced price, outweighs the uncertainty of waiting months for a traditional offer that may fall through.

Technology can enhance the selling experience, but the real value lies in combining digital innovation with reliability. That’s why We Buy Any House remains essential in today’s evolving market, offering the speed and assurance that even the most advanced technology can’t fully replicate.

Final thoughts: Which platform works fastest?

Every selling route offers benefits, but if your goal is speed, convenience and certainty, the choice is clear.

  • Fastest option: We Buy Any House
  • Completion time: 7-14 days
  • Fees: £0
  • Certainty: 100% guaranteed sale

Whether you’re facing a financial deadline, relocating, or simply ready to move on, We Buy Any House delivers results that no other online platform can match.

Sell your house fast with We Buy Any House

Don’t let your home sit on the market for months. Choose the fast, professional, and hassle-free way to sell your property.

We Buy Any House purchases homes in any condition, any location, any timeline. From your first enquiry to final completion, everything is handled for you, with no fees, no delays and no stress.

Get your free, no-obligation cash offer today at We Buy Any House and see how easy selling your home online can be.