UK address finder

Find & verify any UK address online.

Search any UK postcode or street address and return clean, structured delivery data in milliseconds. Free to try on the web, or call our REST API from your own product.

What is a UK address finder?

A UK address finder is an online tool that lets you search for any address in the United Kingdom by postcode or address text. It returns verified, structured address data — line 1, line 2, town, county, and postcode — ready to drop into a form, checkout, or CRM record.

How it works

  1. Type a postcode or partial street address (3+ characters).
  2. We match it against our UK address dataset.
  3. Pick a suggestion — fields are populated automatically.
  4. Use the result in your checkout, signup, or delivery booking flow with no further cleanup needed.

Why developers pick us

Sub-50ms responses

Postcode-indexed lookup with results back in under 50ms at the P95.

Verified delivery data

Built on a regularly-refreshed UK address dataset, including business names and flat numbers.

Drop-in integration

One Bearer-authenticated REST endpoint and a typed TypeScript SDK.

Card or USDT

Pay in GBP via Stripe Checkout or in USDT TRC-20 via OxaPay.

Common use cases

  • Checkout autocomplete — reduce typos and abandoned carts.
  • Delivery verification — confirm valid UK addresses before dispatch.
  • Customer onboarding — capture clean addresses in signup and KYC flows.
  • CRM hygiene — standardise existing contact data against verified UK addresses.

Frequently asked questions

What is a UK address finder?

A UK address finder is an online tool that lets you search for any UK address by postcode or by address text (street name and number) and returns the matching verified delivery addresses.

How do I find a UK address by postcode?

Enter a UK postcode (for example SW1A 1AA) into our address finder. We return every property registered to that postcode along with the street, town, and any organisation name.

Is the UK address finder free to use?

Yes, you can search any UK address on our website for free. For programmatic API access, we offer a free 14-day trial followed by paid plans for production use.

Can I add a UK address finder to my website?

Yes — sign up for an API key and call our autocomplete endpoint from your frontend or backend. We have integration snippets for React, Vue and vanilla JavaScript.


Read up on how UK postcodes work or jump straight to the API docs.