DiogelArchitecture

Extend or Move Calculator

Moving isn't just fees on top of the asking price — it's finding whatever's left after your current home's equity. This weighs the real cost of moving against extending the home you already have.

Estimated equity in your current home: £200,000.

The true cost of moving

Land Transaction Tax
£14,250
Estate agent (~1.25%, on your current home)
£4,375
Legal fees
£2,500
Removals
£1,500
Extra capital needed (price gap)
£100,000

£122,625 in fees + extra capital

The cost of extending

Your estimated extension budget, invested in the home you already love — no price gap, because you're not buying back what you already own.

£70,000 all in

On these numbers, the cheaper route is

extending

Moving means finding £100,000 beyond your current home's value, plus £22,625 in fees.

Book a free Build, Wait or Move Call

Estimates only, based on Welsh LTT main rates and typical fees — not mortgage or financial advice. Your real numbers depend on your home, your mortgage terms and what you're moving to — we'll work them out honestly on the call.

Not sure whether to build, wait or move?

That's exactly what the call is for. We'll be straight with you — no pressure, no jargon, no nasty surprises.