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Remortgaging When Your House Has Dropped in Value

Updated 2026-03-2510 min read
UK mortgage process guidance

Remortgaging When Your House Has Dropped in Value

Your fixed rate is ending and you want to switch to a better deal. But when you check what your home is worth, it's less than you paid. Maybe significantly less. This changes everything about your remortgage options — but it doesn't mean you're without choices.

How Property Value Affects Your Mortgage

Mortgage rates are tied to loan-to-value (LTV) — the percentage of the property's value that you owe. Lower LTV means lower risk for the lender, which means better rates for you.

Example:

  • You bought for £250,000 with a £225,000 mortgage (90% LTV)
  • You've paid the balance down to £210,000
  • The property is now worth £220,000
  • Your LTV is now £210,000 / £220,000 = 95.5% LTV

Instead of your balance reduction improving your LTV over time, the property value drop has pushed it higher. You're in a worse position than when you started.

How LTV Affects Available Rates

LTV BandRate ImpactLender Options
Under 60%Best rates availableAll lenders
60-75%Good ratesMost lenders
75-85%Higher ratesMany lenders
85-90%Notably higher ratesFewer lenders
90-95%Highest standard ratesLimited lenders
Over 95%Very limited optionsVery few lenders
Over 100% (negative equity)No standard remortgageProduct transfer only

Scenario 1: Higher LTV but Not Negative Equity

If your property has dropped in value but you still owe less than it's worth, you can still remortgage. The challenge is that your LTV is higher than expected, which means:

  • Fewer lender options — some lenders cap at 85% or 90% LTV
  • Higher rates — you'll be in a more expensive LTV band
  • Larger risk — if values drop further, you could slip into negative equity

What to Do

Product transfer first. Ask your current lender about switching to a new deal. Product transfers often don't require a new valuation, so the property's current value may not matter. Your lender already has the mortgage and may simply offer you a new rate on the existing terms.

If product transfer isn't available, remortgage to a new lender. But be realistic about the LTV band you're in and the rates available. A broker can quickly identify which lenders offer the best rates at your specific LTV.

Consider overpaying before your fixed rate ends (if your current deal allows it). Every pound you overpay reduces your balance and improves your LTV. Even a few months of overpayments can make a difference if you're close to a LTV threshold (e.g., getting from 91% to under 90% opens up more lender options).

LTV thresholds matter more than you think

Lenders price in bands — 60%, 75%, 85%, 90%, 95%. Being at 76% LTV instead of 74% could cost you significantly more in interest over 2-5 years. If you're close to a threshold, it's worth overpaying to cross it.

Scenario 2: Negative Equity

Negative equity means you owe more than the property is worth. For example:

  • Mortgage balance: £230,000
  • Property value: £210,000
  • Negative equity: £20,000

This is a more difficult situation, but it's not hopeless.

Can You Remortgage in Negative Equity?

To a new lender: Almost certainly not. No standard lender will offer a mortgage for more than 100% of the property's value. There's no LTV band above 100%.

With your current lender: Possibly. This is the key option:

  • Product transfer: Your lender may offer you a new rate on your existing mortgage. They already have the mortgage, the property, and your payment history. Many lenders will offer product transfers to existing borrowers regardless of current LTV, as long as you're not borrowing more.
  • If your lender doesn't offer product transfers: You may be stuck on the SVR. Read about mortgage prisoner options and the SVR trap.

Negative Equity and Moving

The bigger problem with negative equity is if you need to move:

  • Selling: You'd need to repay the full mortgage to sell, but the sale wouldn't cover it. You'd need to find the shortfall from savings or another source.
  • Porting: Some mortgages are portable — you can transfer them to a new property. But this requires the lender to approve the new property and your current circumstances.
  • Negative equity mortgage: A very small number of lenders will allow you to carry negative equity to a new property, but this is rare and usually only available to existing customers.

Don't sell in negative equity unless you have to

Selling a property in negative equity crystallises a loss. You'll owe the shortfall to the lender. If you can stay, keep paying, and wait for values to recover, that's usually the better financial decision — unless your circumstances make staying impossible.

Scenario 3: Property Value Dropped But You're Not Underwater Yet

Maybe you're not in negative equity but you can see you're heading that way — or your equity cushion is so thin that it limits your options. Steps to take:

1. Accelerate Mortgage Repayment

  • Overpay your mortgage each month
  • Make lump sum payments when possible
  • Switch from interest-only to repayment if you haven't already
  • Every pound reduces your balance and improves your position

2. Consider a Shorter Fixed Rate

If you can get a new deal, consider a shorter fixed period (2 years rather than 5). This gives you the chance to reassess sooner if values recover, and you won't be locked into a high-LTV rate for years.

3. Don't Panic

Property values move in cycles. The average UK property has historically recovered from downturns, though recovery timeframes vary:

  • 1990 crash: Took about 7 years to recover nationally
  • 2008 crash: Took about 5-6 years for most areas
  • Regional variation: London and the South East typically recover faster; some northern areas take longer

If you can afford your payments and don't need to sell, time is usually on your side.

What About Home Improvements?

If your property has dropped in value, could home improvements bring it back up? Potentially, but be careful:

Improvements that add value:

  • Kitchen renovation: Can add significant value
  • Bathroom renovation: Good return on investment
  • Extension or loft conversion: Can add 10-20% to value
  • Energy efficiency improvements: Increasingly valued

The risk:

  • You need to spend money to make money
  • In a falling market, improvements may not fully recoup their cost
  • You may not have spare funds if your mortgage costs are high
  • You need planning permission and building regulations compliance, which adds time and cost

Only invest in improvements if you can comfortably afford them without taking on additional debt, and if you plan to stay in the property long enough to benefit.

Dealing with Lenders

What to Say

When contacting your lender about a product transfer:

  • Be honest about your awareness that property values have changed
  • Emphasise your payment record — if you've always paid on time, say so
  • Ask specifically about product transfers — don't assume they'll proactively offer them
  • Ask whether a valuation is needed — many product transfers don't require one

If They Say No

If your lender won't offer a product transfer:

  1. Ask why — is it a policy issue or a specific problem with your account?
  2. Escalate — ask to speak to a manager or the retention team
  3. Complain formally — if you believe they're treating you unfairly
  4. Contact a broker — they may know options you don't

If You're Struggling with Payments

If the high SVR rate (because you can't remortgage) is making payments unaffordable:

  • Contact your lender's arrears support team immediately — before you miss payments
  • Ask about temporary payment concessions (reduced payments for a period)
  • Consider whether a term extension could reduce monthly payments
  • Contact Citizens Advice or StepChange for free debt advice
  • Don't ignore the problem — lenders are required to treat borrowers in difficulty fairly

Real-World Scenarios

Scenario 1: Crossing the LTV Threshold

Amy bought for £230,000 with a £207,000 mortgage (90% LTV). After 3 years, she's paid the balance down to £193,000. But her property is now worth £215,000 (down from £230,000). Her LTV: £193,000 / £215,000 = 89.8%.

If she overpays £2,000 before remortgaging, her balance drops to £191,000. LTV: £191,000 / £215,000 = 88.8%. She crosses from the 90% band to the 85-90% band. That single threshold crossing could save her 0.3-0.5% on her new rate — approximately £600-£1,000/year.

Lesson: Check exactly where you are relative to LTV thresholds. A small lump sum payment can cross a threshold and save significantly.

Scenario 2: Negative Equity, Product Transfer Works

Brian and Claire bought for £275,000 with a £247,500 mortgage (90% LTV). They've paid it down to £238,000, but the property is now worth only £225,000. They're £13,000 in negative equity.

No new lender will touch them. But their existing lender (Nationwide) offers product transfers to existing borrowers regardless of current LTV, provided they're not borrowing more and their payment record is clean. Brian and Claire have never missed a payment. Nationwide offers a new 2-year fix at 4.85%.

Their SVR would have been 7.74%. Monthly saving: £455. Annual saving: £5,460.

Lesson: Product transfers can work even in negative equity. Your payment record with your existing lender is the key factor.

Scenario 3: Property Drop Blocks Remortgage, Overpay Strategy Works

Gemma has a £165,000 mortgage on a property now worth £170,000 (97% LTV). Her fix is ending in 8 months. No lender will remortgage her at this LTV, and her current lender doesn't offer product transfers.

Her broker creates a plan: overpay £500/month for the next 8 months (£4,000 total). This brings her balance to £161,000. LTV: 94.7%. She's now within the 95% LTV bracket that some mainstream lenders offer. Her broker finds a 95% LTV product at 5.1% — much better than the SVR of 7.5%.

Lesson: Strategic overpaying in the months before your fix ends can move you from "no options" to "some options."

Common Mistakes When Your Property Has Dropped in Value

Mistake 1: Assuming Your Property's Value Without Checking

Online valuation tools (Zoopla, Rightmove) give estimates, but they can be inaccurate. Get proper estate agent valuations (free) from 2-3 local agents. Some are optimistic, some conservative — the average gives you a realistic figure.

Mistake 2: Not Exploring Product Transfers

Many people go straight to "I need to remortgage" without checking what their current lender offers. Product transfers often avoid the valuation issue entirely because the lender already holds the mortgage and doesn't need to reassess the property.

Mistake 3: Panic Selling

Selling in negative equity crystallises a loss. If you sell for £200,000 when you owe £215,000, you still owe the £15,000 difference to the lender — and you have no home. Unless you absolutely must sell (job relocation, relationship breakdown), staying and waiting for recovery is usually the better option.

Mistake 4: Ignoring the Problem

Being on an expensive SVR because "it's too complicated" to deal with costs you real money every month. Even if your options are limited, doing something (product transfer, specialist remortgage, or strategic overpaying) is almost always better than doing nothing.

Questions to Ask Your Broker About a Property Value Drop

  1. "What's my realistic LTV based on current market conditions?" — Get an honest assessment
  2. "Does my existing lender offer product transfers regardless of LTV?" — This is the most important question
  3. "If I overpaid £X over the next 6 months, would that change my options?" — Model the threshold-crossing strategy
  4. "Is there any lender that would remortgage me at my current LTV?" — Even limited options are worth knowing about
  5. "What would happen if property values dropped further?" — Understand the downside scenario
  6. "Should I consider extending my mortgage term to reduce monthly payments?" — If the SVR is unaffordable, term extension might help

The Bottom Line

A property value drop limits your remortgage options and costs you money through higher rates. Negative equity is worse but isn't the end of the world. The most important things:

  1. Product transfer first — your existing lender is often the best route
  2. Overpay if you can — reduce the balance to improve LTV
  3. Don't sell unless you have to — negative equity recovers over time
  4. Keep paying — as long as you make payments, you won't lose your home
  5. Get advice — a broker may see options you can't

If the drop in value has trapped you, selling directly for cash may be the fastest route. SellTo offers free cash valuations with no fees to the seller.(affiliate)

Specialist brokers

Brokers who handle negative equity

These services are free to use — the lender pays them, not you. We may earn a commission if you use their services.

All brokers presented equally. Not a personal recommendation. Affiliate disclosure

This is educational content, not financial advice. Your situation is unique — speak to a qualified mortgage broker before making any decisions.

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