diff --git a/MantidQt/CustomInterfaces/CMakeLists.txt b/MantidQt/CustomInterfaces/CMakeLists.txt
index bb9cf4f74244ba68b25f9ff6dac050cd8e16b454..f51c5258d86a87e8903454f93ac608675621db5f 100644
--- a/MantidQt/CustomInterfaces/CMakeLists.txt
+++ b/MantidQt/CustomInterfaces/CMakeLists.txt
@@ -339,6 +339,7 @@ set ( UI_FILES inc/MantidQtCustomInterfaces/DataComparison.ui
inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionQtGUI.ui
inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionQtTabCalib.ui
inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionQtTabFocus.ui
+ inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionQtTabPreproc.ui
inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionQtTabSettings.ui
inc/MantidQtCustomInterfaces/Indirect/AbsorptionCorrections.ui
inc/MantidQtCustomInterfaces/Indirect/ApplyPaalmanPings.ui
diff --git a/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionQtTabPreproc.ui b/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionQtTabPreproc.ui
new file mode 100644
index 0000000000000000000000000000000000000000..354d630ce6153cc9c26a8f9fea48f15722beb474
--- /dev/null
+++ b/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionQtTabPreproc.ui
@@ -0,0 +1,222 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>EnggDiffractionQtTabPreproc</class>
+ <widget class="QWidget" name="EnggDiffractionQtTabPreproc">
+ <property name="geometry">
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>615</width>
+ <height>562</height>
+ </rect>
+ </property>
+ <property name="windowTitle">
+ <string>Form</string>
+ </property>
+ <layout class="QGridLayout" name="gridLayout_3">
+ <item row="0" column="0" colspan="2">
+ <layout class="QHBoxLayout" name="horizontalLayout_9">
+ <item>
+ <widget class="QLabel" name="label_cropped_run_num">
+ <property name="text">
+ <string/>
+ </property>
+ </widget>
+ </item>
+ <item>
+ <spacer name="horizontalSpacer_7">
+ <property name="orientation">
+ <enum>Qt::Horizontal</enum>
+ </property>
+ <property name="sizeHint" stdset="0">
+ <size>
+ <width>98</width>
+ <height>20</height>
+ </size>
+ </property>
+ </spacer>
+ </item>
+ <item>
+ <widget class="MantidQt::MantidWidgets::MWRunFiles" name="lineEdit_cropped_run_num" native="true">
+ <property name="text" stdset="0">
+ <string/>
+ </property>
+ <property name="readOnly" stdset="0">
+ <bool>false</bool>
+ </property>
+ <property name="label" stdset="0">
+ <string>Run #:</string>
+ </property>
+ <property name="multipleFiles" stdset="0">
+ <bool>true</bool>
+ </property>
+ </widget>
+ </item>
+ </layout>
+ </item>
+ <item row="1" column="0">
+ <widget class="QGroupBox" name="groupBox">
+ <property name="title">
+ <string>Regular time binning:</string>
+ </property>
+ <layout class="QGridLayout" name="gridLayout">
+ <item row="0" column="0">
+ <spacer name="horizontalSpacer">
+ <property name="orientation">
+ <enum>Qt::Horizontal</enum>
+ </property>
+ <property name="sizeHint" stdset="0">
+ <size>
+ <width>381</width>
+ <height>20</height>
+ </size>
+ </property>
+ </spacer>
+ </item>
+ <item row="0" column="1">
+ <widget class="QLabel" name="label">
+ <property name="text">
+ <string>Time bin:</string>
+ </property>
+ </widget>
+ </item>
+ <item row="0" column="2">
+ <widget class="QDoubleSpinBox" name="doubleSpinBox">
+ <property name="decimals">
+ <number>6</number>
+ </property>
+ <property name="singleStep">
+ <double>0.000001000000000</double>
+ </property>
+ </widget>
+ </item>
+ <item row="1" column="2">
+ <widget class="QPushButton" name="pushButton_rebin_time">
+ <property name="text">
+ <string>Rebin</string>
+ </property>
+ </widget>
+ </item>
+ <item row="1" column="0" colspan="2">
+ <spacer name="horizontalSpacer_2">
+ <property name="orientation">
+ <enum>Qt::Horizontal</enum>
+ </property>
+ <property name="sizeHint" stdset="0">
+ <size>
+ <width>443</width>
+ <height>21</height>
+ </size>
+ </property>
+ </spacer>
+ </item>
+ </layout>
+ </widget>
+ </item>
+ <item row="2" column="0" colspan="2">
+ <widget class="QGroupBox" name="groupBox_2">
+ <property name="title">
+ <string>Multi-period data:</string>
+ </property>
+ <layout class="QGridLayout" name="gridLayout_2">
+ <item row="0" column="0">
+ <spacer name="horizontalSpacer_4">
+ <property name="orientation">
+ <enum>Qt::Horizontal</enum>
+ </property>
+ <property name="sizeHint" stdset="0">
+ <size>
+ <width>342</width>
+ <height>20</height>
+ </size>
+ </property>
+ </spacer>
+ </item>
+ <item row="0" column="1">
+ <widget class="QLabel" name="label_3">
+ <property name="text">
+ <string>Number of periods:</string>
+ </property>
+ </widget>
+ </item>
+ <item row="0" column="2" rowspan="2">
+ <widget class="QSpinBox" name="spinBox"/>
+ </item>
+ <item row="1" column="0" rowspan="2">
+ <spacer name="horizontalSpacer_5">
+ <property name="orientation">
+ <enum>Qt::Horizontal</enum>
+ </property>
+ <property name="sizeHint" stdset="0">
+ <size>
+ <width>342</width>
+ <height>20</height>
+ </size>
+ </property>
+ </spacer>
+ </item>
+ <item row="2" column="1">
+ <widget class="QLabel" name="label_2">
+ <property name="text">
+ <string>Pulses per period:</string>
+ </property>
+ </widget>
+ </item>
+ <item row="2" column="2">
+ <widget class="QSpinBox" name="spinBox_2">
+ <property name="minimum">
+ <number>1</number>
+ </property>
+ <property name="maximum">
+ <number>999999999</number>
+ </property>
+ </widget>
+ </item>
+ <item row="3" column="0" colspan="2">
+ <spacer name="horizontalSpacer_3">
+ <property name="orientation">
+ <enum>Qt::Horizontal</enum>
+ </property>
+ <property name="sizeHint" stdset="0">
+ <size>
+ <width>468</width>
+ <height>20</height>
+ </size>
+ </property>
+ </spacer>
+ </item>
+ <item row="3" column="2">
+ <widget class="QPushButton" name="pushButton_rebin_multiperiod">
+ <property name="text">
+ <string>Rebin</string>
+ </property>
+ </widget>
+ </item>
+ </layout>
+ </widget>
+ </item>
+ <item row="3" column="1">
+ <spacer name="verticalSpacer">
+ <property name="orientation">
+ <enum>Qt::Vertical</enum>
+ </property>
+ <property name="sizeHint" stdset="0">
+ <size>
+ <width>20</width>
+ <height>291</height>
+ </size>
+ </property>
+ </spacer>
+ </item>
+ </layout>
+ </widget>
+ <customwidgets>
+ <customwidget>
+ <class>MantidQt::MantidWidgets::MWRunFiles</class>
+ <extends>QWidget</extends>
+ <header>MantidQtMantidWidgets/MWRunFiles.h</header>
+ </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionViewQtGUI.h b/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionViewQtGUI.h
index 9851de0babe5aa91be5c0e7563942c7af1f3d67b..e805912432ca33a82e97a03376fba8fa99f8d5b1 100644
--- a/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionViewQtGUI.h
+++ b/MantidQt/CustomInterfaces/inc/MantidQtCustomInterfaces/EnggDiffraction/EnggDiffractionViewQtGUI.h
@@ -9,6 +9,7 @@
#include "ui_EnggDiffractionQtGUI.h"
#include "ui_EnggDiffractionQtTabCalib.h"
#include "ui_EnggDiffractionQtTabFocus.h"
+#include "ui_EnggDiffractionQtTabPreproc.h"
#include "ui_EnggDiffractionQtTabSettings.h"
#include <boost/scoped_ptr.hpp>
@@ -197,6 +198,7 @@ private:
// but they could be separate dialogs, widgets, etc.
Ui::EnggDiffractionQtTabCalib m_uiTabCalib;
Ui::EnggDiffractionQtTabFocus m_uiTabFocus;
+ Ui::EnggDiffractionQtTabPreproc m_uiTabPreproc;
Ui::EnggDiffractionQtTabSettings m_uiTabSettings;
/// instrument selected (ENGIN-X, etc.)
diff --git a/MantidQt/CustomInterfaces/src/EnggDiffraction/EnggDiffractionViewQtGUI.cpp b/MantidQt/CustomInterfaces/src/EnggDiffraction/EnggDiffractionViewQtGUI.cpp
index c1ae8b3b96fb66acceae1cfbb2c78a7c1ad6c6d8..161ccdc7c568b88abad54569ba10f9b68480933a 100644
--- a/MantidQt/CustomInterfaces/src/EnggDiffraction/EnggDiffractionViewQtGUI.cpp
+++ b/MantidQt/CustomInterfaces/src/EnggDiffraction/EnggDiffractionViewQtGUI.cpp
@@ -72,6 +72,10 @@ void EnggDiffractionViewQtGUI::initLayout() {
m_uiTabFocus.setupUi(wFocus);
m_ui.tabMain->addTab(wFocus, QString("Focus"));
+ QWidget *wPreproc = new QWidget(m_ui.tabMain);
+ m_uiTabPreproc.setupUi(wPreproc);
+ m_ui.tabMain->addTab(wPreproc, QString("Pre-processing"));
+
QWidget *wSettings = new QWidget(m_ui.tabMain);
m_uiTabSettings.setupUi(wSettings);
m_ui.tabMain->addTab(wSettings, QString("Settings"));