\documentclass[12pt,openright,twoside]{report}
\usepackage[a4paper,top=25mm,bottom=25mm,right=25mm,left=25mm,bindingoffset=6mm]{geometry}
\usepackage[T1]{fontenc} 
\usepackage[utf8]{inputenc}
\usepackage[swedish,british]{babel}
\usepackage{amsmath}
\usepackage{graphicx}
\usepackage{pict2e}
\usepackage{tabu}
\usepackage{booktabs}
\usepackage{bookmark,hyperref}
\usepackage{gensymb}
\graphicspath{{Bilder/}}
%Formatering av rubriker
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{titlesec, blindtext, color}
\titleformat{\chapter}[hang]{\Huge\bfseries}{\thechapter}{20pt}{}{}
\titlespacing*{\chapter}{0pt}{*0}{*3}
\titlespacing*{\section}{0pt}{*4}{*1}
\titlespacing*{\subsection}{0pt}{*3}{*0}
\titlespacing*{\subsubsection}{0pt}{*4}{*1}
\setcounter{secnumdepth}{2}
\setcounter{tocdepth}{2}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{tocloft} %Control the ToC formatting
\setlength{\parindent}{0pt}
\setlength{\parskip}{1em}
%Formatering av sidornummer (Comment to have the number centered)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{fancyhdr}
\pagestyle{fancyplain}%
\fancyhf{} % clear all header and footer fields
\fancyfoot[RO,LE]{\thepage}
\renewcommand{\headrulewidth}{0pt}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage[hang, font=small, labelfont=bf]{caption}
\usepackage{subcaption}
\captionsetup{justification   = raggedright,
              singlelinecheck = false,
              format = hang}
\usepackage[
  backend=bibtex,
  %%%%% For NameYear citation
     style=authoryear,
     citestyle=authoryear-comp,
     sorting=nyt,
  %%%%%
  %%%%% For Number citation
  %style=numeric,
  %citestyle=numeric,
  %sorting=none,
  %%%%%
  maxcitenames=2,maxbibnames=99,
  natbib]
{biblatex}
\addbibresource{Referenser.bib}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% DO NOT NEED TO CHANGE BEFORE THIS POINT %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\hypersetup{
    colorlinks=true,
    linkcolor=black,
    anchorcolor=black,
    citecolor=black,
    urlcolor=black,
    pdftitle={TITEL},  % Skriv din titel här
    pdfauthor={Författarens Namn}, % Skriv ditt namn här
    }
\title{
    {\LARGE TITEL}\\ % Skriv din titel här
    {\large UNDERTITEL}\\
    {\vspace{10mm}}
    {\includegraphics[width=0.6\textwidth]{Cover_Figure.png}}
    }
\author{Författarens Namn} % Skriv ditt namn här
\date{\today}
\begin{document}
\selectlanguage{swedish}
\maketitle
\clearpage
\thispagestyle{empty}
\mbox{}
\clearpage
\setcounter{page}{1}
\pagenumbering{Roman}
\include{Abstract}
\include{Sammanfattning}
\include{Forord}
\include{Notation}
\cleardoublepage
\tableofcontents
\addcontentsline{toc}{chapter}{Innehåll}
\cleardoublepage
\setcounter{page}{1}
\pagenumbering{arabic}
\include{Kapitel/Kapitel_01}
\include{Kapitel/Kapitel_02}
\cleardoublepage
\addcontentsline{toc}{chapter}{Litteratur}
\printbibliography
\appendix
\titleformat{\chapter}[display]{\Huge\bfseries}{Bilaga \thechapter}{10pt}{}{}
\include{Kapitel/Bilaga_A}
\end{document}