Abberley tops the ranking, with 0.2 km² square kilometres, ahead of Abbots Ripton and Abbotsbury. The full ranking is below, each entry linked to its page.

# Town County Built-up area
1 Abberley Worcestershire 0.2 km²
2 Abbots Ripton Cambridgeshire 0.2 km²
3 Abbotsbury Dorset 0.2 km²
4 Abercych Pembrokeshire 0.2 km²
5 Abergwynfi Neath Port Talbot 0.2 km²
6 Aberuthven Perth and Kinross 0.2 km²
7 Acaster Malbis North Yorkshire 0.2 km²
8 Ackleton Shropshire 0.2 km²
9 Acklington Northumberland 0.2 km²
10 Acton Turville Gloucestershire 0.2 km²
11 Adisham Kent 0.2 km²
12 Albury Heath Surrey 0.2 km²
13 Aldermaston Berkshire 0.2 km²
14 All Stretton Shropshire 0.2 km²
15 Allercombe Devon 0.2 km²
16 Allostock Cheshire 0.2 km²
17 Alpraham Cheshire 0.2 km²
18 Althorpe Lincolnshire 0.2 km²
19 Alvingham Lincolnshire 0.2 km²
20 Alvington Gloucestershire 0.2 km²
21 Ancrum Scottish Borders 0.2 km²
22 Anderby Creek Lincolnshire 0.2 km²
23 Annbank South Ayrshire 0.2 km²
24 Ansty West Sussex 0.2 km²
25 Appledore Heath Kent 0.2 km²
26 Appleshaw Hampshire 0.2 km²
27 Apsley End Hertfordshire 0.2 km²
28 Ardens Grafton Warwickshire 0.2 km²
29 Ardfern Argyll and Bute 0.2 km²
30 Argoed Caerphilly 0.2 km²
31 Argos Hill East Sussex 0.2 km²
32 Arkesden Essex 0.2 km²
33 Armscote Warwickshire 0.2 km²
34 Ashdon Essex 0.2 km²
35 Ashford Hill Hampshire 0.2 km²
36 Ashley Green Buckinghamshire 0.2 km²
37 Ashmore Dorset 0.2 km²
38 Ashwicken Norfolk 0.2 km²
39 Aslackby Lincolnshire 0.2 km²
40 Aston Abbotts Buckinghamshire 0.2 km²
41 Auchinloch North Lanarkshire 0.2 km²
42 Austwick North Yorkshire 0.2 km²
43 Aveton Gifford Devon 0.2 km²
44 Axmouth Devon 0.2 km²
45 Aylesford Kent 0.2 km²
46 Baddesley Ensor Warwickshire 0.2 km²
47 Badminton Gloucestershire 0.2 km²
48 Bagby North Yorkshire 0.2 km²
49 Bagpath Gloucestershire 0.2 km²
50 Baker Street Essex 0.2 km²
51 Ballantrae South Ayrshire 0.2 km²
52 Bancffosfelen Carmarthenshire 0.2 km²
53 Barford St Michael Oxfordshire 0.2 km²
54 Barkston Ash North Yorkshire 0.2 km²
55 Barleythorpe Rutland 0.2 km²
56 Barmby on the Marsh East Riding of Yorkshire 0.2 km²
57 Barnby Moor Nottinghamshire 0.2 km²
58 Barrhill South Ayrshire 0.2 km²
59 Barrow Gurney Somerset 0.2 km²
60 Bathpool Somerset 0.2 km²

Source: ONS Built-up Areas 2022. Compiled by Postcodes UK.

Frequently asked questions

Which is the smallest town in Britain by built-up area?

Abberley tops the list, with 0.2 km² square kilometres, followed by Abbots Ripton and Abbotsbury.

How is this ranking measured?

This ranking is based on ONS Built-up Areas 2022. It covers Britain's recognised built-up areas.