Ideal Postcodes

Simply Priced

Worry-free pricing with no hidden costs or lock-in. A flat, pay-as-you-go rate of 2.5p per lookup

Incredibly Accurate

Access the UK's most accurate and up-to-date address datasets from Royal Mail and Ordnance Survey, updated daily

Well Supported

Simple integration with clear documentation, open-source libraries and live support from developers

Flexibly Licensed

Leave licensing complexity to us. We also provide industry specific solutions for Public Sector, Charities and SaaS

Access the most accurate address and geospatial datasets in the UK

Royal Mail provide the most accurate and up-to-date address dataset available in the UK known as the Postcode Address File (PAF ®). While Ordnance Survey provide the most accurate geospatial datasets as the national mapping agency for Great Britain.

By combining both datasets, we're able to provide the most complete and up-to-date addressing data in the UK with rootftop accurate geolocations for Great Britain.

Trusted by Many

We work with developers across small businesses and startups through to public and FTSE 100 organisations

Customer Stories

Testimonials

“Comprehensive, straightforward documentation and a cost-effective service”

Elliott Gresham
Technical Director at SubscriberCRM

“Implementation was really simple and support was easily accessed”

Daniel Rivers
Web Manager at Restless Beings

“Integrating Ideal Postcodes into our forms has made all the difference and they’re really great to deal with”

Diane Morton
Director at Wag & Company

“Simplicity together with excellent documentation”

Ceri Richmond
Managing Director at Core

“The team was brilliant start to finish making integration and setup so easy!”

Andrew Board
Managing Director at Screwsline

“API documentation is fantastic, the plugin is very well written and easy to implement”

Shane Muirhead
Developer at Our Agency

“Ideal Postcodes have solved a 10 year problem with Zoho CRM … their quality Chrome extension works perfectly with Zoho CRM”

Mark Nother
Director at Right Drive

“The support is fantastic and the product is great!”

Ian Byron
Managing Director at Black Pearl Claims

“It's a better thought out and executed system than the previous one I used”

Mark Kowalczyk
Founder at Special Moment

“We're a charity and needed access to postcode data … Really helpful!”

James Dennison
Head of Fundraising, Membership & Communications at Staffordshire Wildlife Trust

“As a charity we find the service invaluable … support for the service is always prompt, friendly and helpful.”

Cat James
Finance & Office Manager at Friends of the Lake District

“Installed, activated, and batch of lookups purchased! Amazing. You guys are great!”

Neel Shearer
Founder at Just a Small Thing

“We have found the service to be extremely reliable, the customer service has been excellent, and the UPRN availability a very useful addition”

Simon Smith
Lead Developer at North Tyneside Council

“Their technical support was truly excellent… Fast, polite, helpful responses… Precisely the level of customer service we all wish to receive”

Steve Newman
Stores & Technical Manager at Greenpower Education Trust

“I have never seen a company or person develop an entire example plus documentation to support a customer”

Tayyibun Institute

“Very impressed by your website and the documentation and support… will certainly have no problem recommending it to other developers”

Allan Currie
Developer at MintoGordon Publishing Services

Backed by simple API Methods

Postcode Lookup Address Search Autocomplete

Integrate postcode lookups with any form in moments

Add postcode lookups to any web form by embedding and configuring our jQuery Plugin

Demo HTML JavaScript

 1<!-- Add a div to house your 
 2     postcode input field -->
 3<div id="lookup_field"></div>
 4
 5<!-- This is your existing form -->
 6<label>Address Line One</label>
 7<input id="first_line" type="text" />
 8
 9<label>Address Line Two</label>
10<input id="second_line" type="text" />
11
12<label>Address Line Three</label>
13<input id="third_line" type="text" />
14
15<label>Post Town</label>
16<input id="post_town" type="text" />
17
18<label>Postcode</label>
19<input id="postcode" type="text" />

 1<script>
 2// Add this after your form
 3$('#lookup_field').setupPostcodeLookup({
 4  // Add your API key
 5  api_key: 'ak_htaapr1fkpQCzbA66WHfMRAIjotF5',
 6  // Identify your fields with CSS selectors
 7  output_fields: {
 8    line_1: '#first_line',  
 9    line_2: '#second_line',         
10    line_3: '#third_line',
11    post_town: '#post_town',
12    postcode: '#postcode'
13  }
14});
15</script>

Demonstrations limited to 15 lookups per IP, per day

See more examples · Read the documentation · See the code

Or integrate with Address Finder

Add Address Autocomplete to any input field with our Autocomplete Plugin

Demo HTML JavaScript

 1<input id="input" type="text" 
 2  placeholder="Search for an address with autocomplete" />
 3<!-- Create an input field to attach autocomplete -->
 4
 5<!-- Below are your existing input fields -->
 6<label>Address Line One</label> 
 7<input id="first_line" type="text" />
 8
 9<label>Address Line Two</label>
10<input id="second_line" type="text" />
11
12<label>Address Line Three</label>
13<input id="third_line" type="text" />
14
15<label>Post Town</label>
16<input id="post_town" type="text" />
17
18<label>Postcode</label>
19<input id="postcode" type="text" />

 1var controller = new IdealPostcodes.Autocomplete.Controller({
 2  api_key: "iddqd",
 3  inputField: "#input",
 4  outputFields: {
 5    line_1: "#first_line",
 6    line_2: "#second_line",
 7    line_3: "#third_line",
 8    post_town: "#post_town",
 9    postcode: "#postcode"
10  }
11});