Stamp Duty CalculatorHow Long Does It Take to Save a House Deposit in the UK?
Realistic timelines with worked examples by household income, target deposit and LISA bonus.
The honest answer is "it depends on what you can save". The structured answer is below: worked timelines for typical UK household incomes and deposit targets, plus the levers that materially shorten the wait (LISA bonus, pay rises, price flexibility).
The short answer — typical UK timelines
Assuming a 4.5% AER easy-access savings account, no LISA, starting from £0:
| Monthly saving | £10k target | £25k target | £40k target | £60k target |
|---|---|---|---|---|
| £300/month | 2y 6m | 6y 0m | 9y 1m | 12y 5m |
| £500/month | 1y 7m | 3y 11m | 6y 0m | 8y 5m |
| £800/month | 1y 0m | 2y 6m | 3y 11m | 5y 7m |
| £1,200/month | 8 months | 1y 8m | 2y 8m | 3y 11m |
Figures rounded to nearest month from month-by-month simulation. Model your own mix on the deposit savings calculator.
What "realistic" looks like by household income
Buyers actively saving for a deposit typically dedicate 15–25% of net income to the goal — higher than the UK household average savings rate (around 6–11%) but sustainable for a defined 2–4 year push.
| Household gross income | ~Net per month | 15% saving | 25% saving |
|---|---|---|---|
| £35,000 | £2,310 | £346 | £577 |
| £50,000 | £3,170 | £475 | £792 |
| £70,000 | £4,310 | £646 | £1,077 |
| £90,000 | £5,250 | £787 | £1,312 |
| £120,000 | £6,710 | £1,006 | £1,677 |
Net figures are approximate for PAYE earners, after income tax and National Insurance, excluding pension salary sacrifice. Verify against your own payslip via PayslipCheck.
What the LISA does to the timeline
The Lifetime ISA's 25% government bonus is the single biggest accelerator for eligible buyers (18–39, first home, property under £450,000). The mechanics:
- You contribute up to £4,000/year (~£333/month).
- The government adds a 25% bonus — up to £1,000/year — paid into the LISA each month following your contribution.
- Funds (your contributions + bonus + interest) are withdrawable for a first-home purchase after the LISA has been open for 12+ months.
Worked example: same £35,000 deposit target, £800/month total saving, 4.5% AER cash savings rate:
- Without LISA: 2 years 5 months (29 months)
- With LISA (£333 to LISA, £467 to easy-access, plus 25% LISA bonus): 2 years 2 months (26 months)
3 months saved and ~£3,000 of net contribution avoided thanks to the bonus. Over a longer push to £50,000+ the saving compounds — typically 6–12 months shaved.
The pay-rise effect
Many savers underrate the impact of stepping up contributions each year as pay rises. A 5% annual contribution increase (matching a typical UK pay rise) on an £800/month starting figure takes you to £972/month by year 4, £1,182/month by year 7 — shaving meaningful time off longer targets.
The deposit savings calculator models annual contribution step-ups so you can see the difference for your target.
The price flexibility effect — often the biggest lever
A 25% lower target price can mean ~30% less cash needed when you include lower SDLT and lower mortgage costs. Worked comparison for a single first-time buyer:
| Property price | 10% deposit | FTB SDLT | Fees (typical) | Total upfront |
|---|---|---|---|---|
| £300,000 | £30,000 | £0 | £3,700 | £33,700 |
| £350,000 | £35,000 | £2,500 | £3,800 | £41,300 |
| £400,000 | £40,000 | £5,000 | £4,000 | £49,000 |
| £450,000 | £45,000 | £7,500 | £4,100 | £56,600 |
A £50,000 reduction in target price typically saves £7,000–£8,000 of total upfront cash, which is 12–18 months of extra saving at most contribution levels.
What slows the timeline
The five most common timeline-killers we see in reader questions:
- Moving target. UK house prices have grown at roughly inflation over the last decade — so the deposit target rises with the price. Saving for "10% of whatever the price is then" is a moving goal.
- Lifestyle inflation. Discretionary spending tends to creep up over time. A monthly contribution that felt tight 2 years ago can become uncomfortable as restaurant, subscription and travel spend grow.
- Interest rate volatility. A 1-point drop in savings rates extends a multi-year savings plan by 1–3 months on a £30k target.
- Unplanned spending. Car replacement, family event, single big purchase — the typical UK household pulls £2,000–£5,000 of "unexpected" spend each year.
- Mid-savings life events. Pregnancy, redundancy, illness. The deposit fund often gets re-purposed.
When to stop saving and buy
The decision isn't only mathematical. Three checkpoints that suggest you're ready:
- You're past the 10% LTV band (or 15% if you can afford to wait that bit longer).
- You can comfortably support the mortgage payment plus realistic ongoing costs — check on the affordability calculator and stress-test on the stress test calculator.
- You've kept 1–2% of property value back as a contingency for moving-day surprises (see hidden costs guide).
Pushing for a 25% deposit usually isn't worth an extra 18–24 months of waiting if you're already through 15% — the rate gain rarely compensates for the opportunity cost of delay and the risk of prices moving on you.
Frequently asked questions
How long does it take to save a house deposit in the UK?
The honest answer is "depends on what you can save". As a rough guide: saving £500/month at 4.5% AER reaches £25,000 in around 4 years. £800/month gets there in 2.5 years. £1,200/month in 1 year 8 months. The LISA 25% bonus shaves 6–12 months off most timelines for eligible buyers.
What's the average UK household saving rate?
ONS data puts the typical UK household savings rate at around 6–11% of disposable income, varying with the economic cycle. For a £45,000-income household, that's roughly £200–£400 of dedicated savings each month. Buyers actively saving for a deposit usually target a materially higher rate — often 15–25% of net income for the duration of the savings push.
Should I use a LISA to save for my deposit?
If you're 18–39 and buying your first UK property under £450,000, yes — almost always. The 25% government bonus on up to £4,000/year is effectively a £1,000 tax-free top-up. Over 4 years of maxing the LISA, that's £4,000 of free money. The 12-month rule means you must open the LISA more than a year before purchase.
Can I save faster by buying a cheaper house?
Yes, and the maths is more powerful than it looks. Dropping target price from £400,000 to £300,000 cuts the 10% deposit from £40,000 to £30,000 — a year saved on most contribution schedules. It also cuts SDLT, mortgage cost and likely conveyancing tier. A 25% lower price can mean ~30% less total cash needed.
Is it worth saving for a bigger deposit?
Up to 25% deposit, yes — each LTV band crossed downward unlocks meaningfully better rates. Beyond 25%, the rate benefit tapers fast. The trade-off against waiting is house prices: if prices rise materially during the extra savings period, you may be better off buying sooner at a higher LTV.
What savings rate should I aim for?
Easy-access UK savings accounts have been around 4.0–5.0% AER through 2025–2026. Cash ISAs cluster at similar rates. LISA cash accounts are typically 3–4%. Stocks-and-shares investments have higher long-run returns but daily volatility — usually only suitable for deposit funds you won't need within 3–5 years.
What's the fastest way to accelerate my savings?
Income side: a pay rise, a second job or a side income. Spending side: housing cost (downsizing or moving in with family), transport (selling a car), subscriptions and discretionary spend. The LISA bonus adds 25% to anything you contribute up to £4,000/year. Combining a £4,000 LISA contribution with an extra £200/month from cuts can shave 12–18 months off most timelines.
Related calculators
Related guides
For longer-form deposit and savings strategy, PennyWise Finance has a first-time buyer savings guide. Self-employed buyers should also see Freelance Toolkit UK for evidencing income.
Sources
Last reviewed: 24 May 2026.