This area is being built into a "fan zone", referred to as "Statue Park". I believe the resurfacing and fencing is in place alongside the statue (already mapped). I'm unsure of the exact layout and extent so I've not added it to the map myself.

The surface changes from gravel to asphalt here

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Attached photo(s):
https://streetcomplete.app/p/321076.jpg

Building is two homes, more northern one is address num 14

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3A The Bungalow, Costow Farm, SN4 9QN

Is this Grove Garage?

onosm.org submitted note from a business:
Name: Autodiscovery
addr:housenumber=2 The Old Mill
addr:street=Mill Street
addr:city=Wantage
Website: https://autodiscovery.co.uk/
Opening Hours: Mo-Fri 9am to 5pm
Wheelchair accessibility: limited
Category: Shops & Services
Description: Robotics sales and research and development
Accepted payment methods:

In context of overlay "Addresses" – Building – way/1191261849 via StreetComplete 62.0:

23, 25 quarry street
2 marsh close
(3 addresses)

Sculpture

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Attached photo(s):
https://streetcomplete.app/p/320271.jpg

Park/exercise space

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In context of overlay "Addresses" – Building – way/1191276544 via StreetComplete 62.0:

Garages