You should search for <a> tag, not <span> tag:
import requests
from bs4 import BeautifulSoup
url = 'https://www.zoopla.co.uk/for-sale/property/london/?q=London&results_sort=newest_listings&search_source=home'
soup = BeautifulSoup(requests.get(url).content, 'html.parser')
for a in soup.find_all('a', class_='listing-results-address'):
print(a.get_text(strip=True))
Prints:
Linstead Way, London SW18
Tudor Court, London E17
Pendlestone Road, Walthamstow, ...
Discovery House, Juniper Drive, Wandsworth, London SW18
Woodlea Grove, Northwood HA6
Elsham Road, London W14
Lytham Street, London SE17
Isleworth, London TW7
Islip Manor Road, Northolt UB5
Teignmouth Road, Welling, Kent DA16
Wimpole Street, London W1G
Cranborne Crescent, Potters Bar, Herts EN6
Forest Road, London E17
Highclere Road, New Malden KT3
Coppermill Lane, London E17
Diana Road, London E17
Chiswick High Road, London W4
Holmesdale Road, London SE25
Warrington Crescent, London W9
Grasmere Road, Purley CR8
Bonar Place, Chislehurst BR7
Samos Road, London SE20
Tredegar Road, London E3
Widdenham Road, Islington, London N7
Eddystone Road, London SE4
Benhurst Avenue, Hornchurch RM12
Woodfield Gardens, New Malden KT3
Old Road, London SE13
EDIT: To get price along the address, you can do:
import requests
from bs4 import BeautifulSoup
url = 'https://www.zoopla.co.uk/for-sale/property/london/?q=London&results_sort=newest_listings&search_source=home'
soup = BeautifulSoup(requests.get(url).content, 'html.parser')
for a in soup.find_all('a', class_='listing-results-address'):
price = a.find_previous(class_='listing-results-price').find(text=True).strip()
print('{:<15} {}'.format(price, a.get_text(strip=True)))
Prints:
£1,500,000 Brondesbury Park, Brondesbury ...
£460,000 2D Harold Road, Upper Norwood SE19
£450,000 Anerley Road, London SE20
£450,000 Grange Road, London SE19
£225,000 Bath Road, Harlington, Hayes UB3
£440,000 George Beard Road, London SE8
£615,000 Cumberland Drive, Chessington KT9
£800,000 Woodmansterne Road, Carshalton SM5
£600,000 Willow Close, Bexley DA5
£165,000 Essex Road, Islington On The Green, Islington, London N1
£695,000 Advance House, 101 Ladbroke Grove, London W11
£1,500,000 Riverview Gardens, London SW13
£350,000 Church Road, London SE19
£935,000 Ansdell Road, Nunhead SE15
£350,000 Marlborough Close, London SE17
£380,000 Graveney Road, London SW17
£360,000 Violet Lane, Croydon CR0
£325,000 Montana Gardens, Sutton SM1
£550,000 Albert Road, Bromley, Kent BR2
£365,000 Hadleigh Walk, London E6
£650,000 Eton Rise, Eton College Road, London NW3
£480,000 Russell Road, London N13
£500,000 Heligan House, Watergarden Square, Canada Water SE16
£1,850,000 Melrose Gardens, Brook Green, London W6
£475,000 Cowper Close, Welling DA16
£4,950,000 Edwardes Square, London W8
£735,000 Arbuthnot Road, New Cross SE14
£750,000 Gosterwood Street, London SE8