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A step-by-step home mover mortgage guide for 2026, covering porting vs switching, timelines, deposits, borrowing, and the most common mistakes to avoid.

Home mover guide 2026

Home mover guide 2026 (UK)

Moving home in 2026 is rarely a simple “sell and buy”. For most home movers, the mortgage part is a major part of the move—because you’re not starting from scratch. You may be able to port your existing mortgage, or you may need to switch to a new deal.

This guide sets out the home mover journey in a clear, practical order. It also highlights common points that can cause delays or extra cost.


What is a home mover?

A home mover is someone who already owns a property and is buying another one.

Common reasons include:

  • Upsizing to a larger home
  • Downsizing to a smaller home
  • Relocating for work or lifestyle
  • Moving to a new mortgage deal (with the same or a different lender)

Because you already have a property, your options and timing can be different from a first-time buyer—particularly around equity, deposits, and mortgage portability.


Before you start: a quick reality-check

Before you book viewings or commit to an offer, it helps to confirm the fundamentals:

  • Your current mortgage position: can it be ported, and what would it cost to change it?
  • Your borrowing potential: how much additional borrowing (if any) you may need.
  • Deposit requirements: whether you’ll need extra cash on top of sale proceeds.
  • The full cost picture: legal fees, survey costs, moving expenses, and any mortgage-related fees.
  • A workable timeline: how your sale and purchase dates can align.

Step 1: Review your current mortgage (porting vs switching)

The first decision for many home movers is whether to port your mortgage or switch.

Porting (keeping your existing mortgage)

Porting generally means transferring your existing mortgage to your new property (subject to lender rules).

Key things to check:

  • Whether your mortgage is eligible to be ported
  • Any conditions tied to the new property
  • Whether your interest rate and terms remain the same (or change in specific ways)
  • Any costs or restrictions that apply when moving

Switching (taking a new mortgage deal)

Switching means arranging a new mortgage product for the new purchase.

You may switch if:

  • Porting isn’t available or isn’t suitable
  • You need a different loan amount
  • You want to restructure terms (for example, term length)

Practical takeaway: porting can reduce disruption, but switching can sometimes better match your new borrowing needs. The right choice depends on your circumstances and the new property.


Step 2: Work out how much you can borrow

Home movers often focus on the sale price of their current home, but affordability is still central.

When assessing borrowing potential, lenders and brokers typically consider:

  • Your income and existing financial commitments
  • Your current mortgage payments and remaining term
  • The affordability of the new mortgage (including any changes)
  • The new property’s value and any lending limits

Tip: it’s useful to separate what you want to borrow from what you can realistically borrow once affordability and property value are taken into account.


Step 3: Plan your deposit and cash requirements

Even if you have equity in your current home, you may still need additional cash for the new purchase.

Common deposit-related considerations:

  • How much equity you’ll release from your sale
  • Whether you’ll need an extra deposit to reach the lender’s requirements
  • Gifted deposits (where applicable) and the documentation needed
  • How deposit size can affect the range of mortgage options available

Practical takeaway: treat deposit planning as a timeline task. Waiting until late in the process can create avoidable delays.


Step 4: Choose the right mortgage structure

Home movers usually have a choice of mortgage types and deal structures. The most common are:

  • Fixed-rate deals: repayments stay the same for a set period
  • Variable-rate deals: repayments can change over time

When comparing options, look beyond the headline repayment and consider:

  • Fees (including any arrangement or product fees)
  • Early repayment charges (especially relevant if plans change)
  • How the deal ends and what happens next
  • Whether the mortgage fits your expected timeline (for example, how long you plan to stay)

Step 5: Get an agreement in principle (AIP)

An agreement in principle (AIP) helps confirm the level of borrowing you may be able to achieve.

Why it matters for home movers:

  • It can make your offer more credible to sellers
  • It helps you set a realistic budget before you fall in love with a property
  • It reduces the risk of chasing a purchase that later becomes unaffordable

Note: an AIP is not the same as full mortgage approval, but it can be a useful planning tool.


Step 6: Sell your current property (and align timelines)

Selling is often the bottleneck in a home mover chain.

Key tasks include:

  • Choosing an estate agent and agreeing a marketing approach
  • Preparing for viewings and managing negotiations
  • Coordinating the sale timeline with your purchase

Practical takeaway: delays in your sale can ripple into your purchase. Planning for overlap—where possible—can reduce stress.


Step 7: Make an offer on your new home

Once you’ve found the right property, you’ll typically submit an offer through the estate agent.

In a home mover context, your offer may be strengthened by:

  • Having an AIP in place
  • Being clear about your deposit and funding plan
  • Understanding that the final outcome depends on survey and mortgage approval

Important: until exchange of contracts, nothing is legally final.


Step 8: Mortgage application and lender process

After an offer is accepted, the mortgage application moves into a more detailed stage.

What usually happens next:

  • Full application details are gathered
  • Supporting documents are provided
  • The lender reviews the application and may raise questions
  • The process continues alongside legal work

Practical takeaway: the mortgage process can take time, and it’s sensitive to missing information. Keeping documents organised helps keep things moving.


Step 9: Surveys, solicitors, and legal work

Legal work and surveys run in parallel with the mortgage application.

Typical components include:

  • Appointing a solicitor or conveyancer
  • Carrying out property checks and searches
  • Managing contract paperwork
  • Arranging exchange of contracts and completion

Tip: surveys are often recommended for all homes. They can highlight issues that affect negotiation, timing, or mortgage arrangements.


Step 10: Exchange and completion

This is the stage where the move becomes real.

  • Exchange of contracts: the transaction becomes legally binding
  • Completion: funds are transferred and you receive the keys

Practical takeaway: completion day requires preparation—especially if you’re moving between properties with a chain.


Costs home movers should budget for

Alongside the mortgage and deposit, home movers often overlook additional costs.

Common items to consider:

  • Legal and conveyancing fees
  • Survey fees
  • Mortgage-related fees (where applicable)
  • Moving costs (removals, storage, travel, and packing)
  • Home set-up costs (for example, appliances or essential repairs)

Practical takeaway: build a buffer. Even a well-planned move can bring unexpected expenses.


Common home mover mistakes to avoid

Avoid these pitfalls to help your move stay on track:

  • Assuming porting is automatic: eligibility depends on lender rules and the new property.
  • Not checking early repayment charges: breaking or changing a mortgage can create costs.
  • Underestimating the deposit and cash needed: sale proceeds don’t always equal the amount required.
  • Overextending financially: affordability is about monthly commitments, not just the purchase price.
  • Poorly coordinating sale and purchase timelines: delays can force difficult decisions.

Why a mortgage broker can help during a move

Home moving often involves multiple moving parts—your current mortgage, the new property, affordability, and legal timelines.

A broker can help by:

  • Explaining the practical differences between porting and switching
  • Helping you compare mortgage options in the context of your move
  • Supporting the application process with the right information and documentation
  • Helping reduce avoidable delays caused by missing details or unclear funding plans

Home mover guide summary (2026)

A smooth home move usually comes down to planning in the right order:

  1. Review your current mortgage and understand porting vs switching
  2. Confirm borrowing potential and affordability
  3. Plan your deposit and cash requirements
  4. Choose a mortgage structure that fits your timeline
  5. Use an AIP to strengthen your offer
  6. Sell strategically and align timelines
  7. Manage the mortgage application alongside legal work
  8. Prepare for exchange and completion

If you’re moving in 2026, starting with your mortgage position first can make the rest of the process far more manageable.

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