WordPress pages break with custom permalink settings (theme directory not output)

Question

We have a site under development which works fine locally, however when uploaded to our server using the permalink settings %postname% the correct URLs are rendered in the menu but in all pages other than home no WP theme URL is output

for example: http://distinctivepeople.co.uk/wp/ works fine http://distinctivepeople.co.uk/wp/who-we-are/ does not output the theme directory so renders unstyled HTML

This works fine under default settings p?=123 etc but we need proper URLs.

This is hosted with 123-reg who don't believe there is a server issue - previously similar has happened if .htaccess is not being read by the server but I'm told this is not the case.

Any help appreciated!

Answer 1

This was resolved with the help of @AndyMacaulay-Brook

The htaccess had some incorrect (non-wp declarations) which when removed solved the issue:

<IfModule mod_rewrite.c> 
RewriteEngine On 
RewriteBase / 
RewriteRule ^index\.php$ - [L] 
RewriteCond %{REQUEST_FILENAME} !-f 
RewriteCond %{REQUEST_FILENAME} !-d 
RewriteRule . /index.php [L] 
</IfModule> 

# BEGIN WordPress 
<IfModule mod_rewrite.c> 
RewriteEngine On 
RewriteBase /wp/ 
RewriteRule ^index\.php$ - [L] 
RewriteCond %{REQUEST_FILENAME} !-f 
RewriteCond %{REQUEST_FILENAME} !-d 
RewriteRule . /wp/index.php [L] 
</IfModule> 
# END WordPress 

Removing everything outside of the WP declarations fixed the issue