\documentclass{book}
\usepackage{graphicx}
\usepackage{booktabs}

\newsavebox{\titleimage}
\sbox{\titleimage}{\includegraphics[width=15.98cm]{TitleImage}}

\newcommand\version{Version unknown}
\newcommand{\setversion}[1]{\renewcommand{\version}{Version #1}}

\newcommand\restriction{}
\newcommand{\setrestriction}[1]{\renewcommand{\restriction}{#1}}

\newcommand\restrictedto{Unrestricted}
\newcommand{\setrestrictedto}[1]{\renewcommand{\restrictedto}{Restricted to #1}}

\newcommand\ouraddress{
Advantica \newline
Holywell Park \newline
Ashby Road \newline
Loughborough \newline
Leicestershire \newline
LE11 3GR \newline
United Kingdom 
}
\newcommand{\setouraddress}[1]{\renewcommand{\ouraddress}{#1}}

\newcommand\customeraddress{Customer address not set}
\newcommand{\setcustomeraddress}[1]{\renewcommand{\customeraddress}{#1}}

\newcommand\customer{Customer not set}
\newcommand{\setcustomer}[1]{\renewcommand{\customer}{#1}}

\makeatletter
\def\maketitle{%
  \null
  \thispagestyle{empty}%
  
  \usebox{\titleimage}

\begin{flushright}
	    
	\begin{tabular}{ p{4.25cm} p{6.75cm} }
  \version & \@date
	\\
	\midrule
	\multicolumn{2}{c}{
	\Huge{\@title}
	}
  \\
  \midrule
	\restriction & \restrictedto
	\\
	\end{tabular}
	
\end{flushright}

	\vfill 
	\begin{tabular} { p{5.97cm} p{9.47cm}}
	Prepared for: & Prepared by:
	\\
	\customer & \@author
	\\
	\customeraddress & \ouraddress
	\\
	\end{tabular}
  \null
  \clearpage
  }
\makeatother
\author{Isidore Ducasse, Comte de Lautréamont}
\author{Lautréamont}
\title{Les Chants de Maldoror}
\date{\today}
\author{jamie priest}
\setversion{0.4}
\setcustomer{Martin Hansford}
\setcustomeraddress{
Somewhere \newline
Sometown \newline
Here
}
\begin{document}
\maketitle
\end{document}