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AutoComplete Address Lookup

Search as you type for an address to increase accuracy in your web forms and CRM.

AutoComplete or Type Ahead, produces address matches based on what is being typed. AutoComplete does not require complete addresses or postcode and can start returning results from very few input characters.

Test the powerful engine behind our address lookup software and services with a quick demo.

If you represent an organisation, register for the full trial of  our Cloud Address Lookup – it’s a FREE, no obligation trial, no set-up fees, no maintenance and pay-per-click only if you decide to purchase.

If you are a registered Charity or Public Sector you may be eligible for discounts on our Cloud Services. You need to be registered with the Royal Mail/Ordnance Survey Charity/Public Sector Lists to be able to activate the discount on the Hopewiser Portal.

Alternatively, contact us to discuss how we can integrate our address lookup with your existing web forms or CRM systems.

Instant access, no obligation & no setup fees.


1. Beware GeoLocation has its flaws

AutoCompletion’s universal goal is to make entering an address quick and accurate. One way to do this is by using an AutoComplete tool that has a geolocation feature. A geolocation feature will approximate the location of the user based on their IP address. However, if you are working in a call centre, then the nearby results are not going to be the most relevant. Also, IP address locations change, which again can mean the ‘local’ result is not actually the closest. Using a provider that UNDERSTANDS every element and the hierarchy of an address, means that an accurate search can be performed, irrelevant of locality. The data used by Hopewiser is based on Hopewiser’s version of the base dataset, which has been cleansed, standardised, reducing the misalignment, typos and inconsistencies found within raw datasets.

2. Does the AutoComplete API allow for Apartment Numbers (Secondary Unit)?

Many AutoComplete tools will provide you with the primary address of a location. But, they may not provide you with the ‘Secondary Unit’ of the address (Apartment number within that building). You should ask “Do you need frontdoor accuracy or ballpark accuracy for your API?” If your application needs to verify the unit number of a user’s address in order to send mail, deliver services and goods. then you need “front door” accuracy. Using an API that can be controlled, to allow for secondary unit data, such as The Royal Mail’s Multiple Residence dataset,will allow you to tailor the search criteria to suit your company.

Many AutoComplete providers are mapping companies, they are less concerned with all the mailing points to which a customer might want to ship.If correctly handling all types of secondary unit designators is important to you, we recommend that you test any prospective AutoComplete API with some sample addresses that include PO Boxes and apartment numbers.

3. Providing Only Accurate, Real Addresses

You may think all AutoComplete APIs will work with accurate addresses. However, some providers will work with open source or mapping data. Meaning that the address may no longer exist if the data has not been kept up to date. Look for a provider that works with Royal Mail Postcode Address File. This is updated on a daily basis. Here is an easy way to understand and test this with a provider. Simply take a street address you know is real,and alter the building number by one digit and see if the provider’s tool shows that ‘fake’ address as a suggested ‘real’ address.



Customer address data that isn’t verified against an up-to-date reputable source will always lead to some inaccuracies when it is captured by your organisation.

Capturing incorrect addresses inevitably means higher costs and lower ROI; more returns, undelivered mail, abandoned online shopping transactions and frustrated customers.

To get the best return on your valuable customer address data, we recommend you validate against a rules-based solution, to intelligently assess each address element and return the most accurate match.  In addition we advise using an address lookup tool which is powered by the Royal Mail Postcode Address File (PAF) and updated daily.

Address Lookup is available via the Hopewiser Portal for maintenance free access. It is updated daily and you will get access to the UK PAF, Not Yet Built, Multiple Residence, Eircode and International data.

Free access to easy CRM integrations for Microsoft Dynamics, Sage, Salesforce, WordPress/Woocomerce plugins.

Pay per click model starts at a very low cost.

Management Tool with free detailed usage reports and autorenew.

Handy help guides and videos.

Secure data transfer and storage.

Sign up and have a go or alternatively contact us for more advice.