It varies, but high net worth mortgages can take longer than standard applications because underwriting is often more manual and documentation requirements can be heavier. Some cases move quickly when income is straightforward, the property is standard, and documents are ready. Other cases take longer due to complex income structures, overseas elements, large deposits with detailed source-of-funds checks, or property valuation complexities.
Typical causes of delays include missing documentation, inconsistent income evidence, slow responses to underwriter queries, valuations on unique properties (where comparables are limited), and legal work on complex titles. If the deposit comes from overseas accounts, trusts, business entities, or large transfers, both lenders and solicitors may require more time to verify the funds trail.
One of the simplest ways to improve speed is preparation. A clean “case pack” can reduce back-and-forth: income evidence (including variable income history), tax documents where relevant, bank statements, asset schedule, liabilities, and deposit trail. If you’re requesting interest-only, evidence for the repayment strategy should be gathered early too.
If you’re in a chain or have deadlines, it’s worth starting earlier than you think. The right lender selection and strong packaging can make a meaningful difference to timeline, especially where the case doesn’t fit a standard automated model.
Hearthstone Mortgages is a trading name of Hearthstone Advisory Limited (Company Number 10563329) and is authorised and regulated by the Financial Conduct Authority (FCA Reference Number 945282).
Registered office: Europa House, Marsham Way, Gerrards Cross, Buckinghamshire, SL9 8BQ.
Companies House listing | FCA Register listing
THINK CAREFULLY BEFORE SECURING DEBTS AGAINST YOUR HOME OR PROPERTY.
Your home or property may be repossessed if you do not keep up repayments on your mortgage.
We are a credit broker, not a lender. We may receive commissions that will vary depending on the lender, product or other permissible factors. The nature of any commission model will be confirmed to you before you proceed.