\documentclass[a4paper]{letter} 
%%%% choose one of the following 4 lines to set colour and/or  date style, 
 \usepackage[ukdate,color]{warwickletter} % Day, num Month year, and colour
%(use lp2)
%\usepackage[]{warwickletter} % Black-and-white, with US style date
%\usepackage[ukdate]{warwickletter} 
% \usepackage[color]{warwickletter} 
%%%% end
\department{\\[55pt] {\footnotesize 
Department of Physics\\
The University of Warwick\\ 
Gibbet Hill Road\\
Coventry, $\;$ CV4$\;$7AL$\;$ 
\\ United Kingdom\\[12pt]
%%%% edit the following three lines to suit you.  If you add a line, then 38pt -> 26pt above
Tel:~~  $\,$ $\;$ $\;$+44(0) $\,$ 24 0000 0000 \\
Mobile:~~+44(0) $\,$ 00 0000 0000 \\ 
Fax:~~   $\;$ $\;$+44(0) $\,$ 00 0000 0000\\
Email:~~ Ding.Yuan@warwick.ac.uk
} }
%%%% end

% \alignit{50pt} %%  tweaking parameter - probably no need to change. 
% \alignit{15pt} %%  tweaking parameter - probably no need to change. 

%%%  need to edit  user info 
\signature{\raggedleft %\includegraphics[height=22pt]{yoursignature file} \\ 
%% please include your signature files, without print-and-sign
		   e.g. Ding Yuan	       
		  }
% end personal details 
%%%%%%%%%%%%%%%%%%%%%% a bove this line is sender specific %%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%% and probably only needs edited once %%%%%%%%%%%%
%%% what follows is letter specific


% the next line is specific to this letter, and may be used for "short" letters 

% \skipit{1.7}  % this amount (default = 1.7) increases 2
 
\begin{document} 
\begin{letter} 
{ {\small
 to address line \\
address line \\
address line\\
address line\\

}}
%% if this is a ``short'' or long address, then alter \skipit above
\opening{Dear Sir or Madame,}
\medskip 
\centerline{\bf Ref: application for vacancy no. 0000 etc.)} 
\medskip 

Please note the optional UK or US date format with optional keyword in
{\bf ukdate} or none for US, {\bf color} or none for colored logos and marques!

{\bf pdflatex} the source files, instead of {\bf latex}, ignore the errors and
warnings!

Main body letter

Main body letter

Main body letter

Main body letter

Main body letter

Main body letter

Main body letter

.
 
 
{\raggedleft\closing{\raggedleft Your sincerely,} }
\end{letter} 
\end{document} 
