DiogelArchitecture

Extend or Move Calculator

Moving costs more than the asking price. See how the hidden fees stack up against extending the home you already have.

The cost of moving

Land Transaction Tax
£14,250
Estate agent (~1.25%)
£5,625
Legal fees
£2,500
Removals
£1,500

£23,875 in fees alone

The cost of extending

Your estimated extension budget, invested in the home you already love.

£70,000 all in

On these numbers, the cheaper route is

moving

Moving's fees alone come to £23,875 — before any higher mortgage or work on the new home.

Book a free Build, Wait or Move Call

Estimates only, based on Welsh LTT main rates and typical fees. Your real numbers depend on your home — 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.