diff --git a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_ARM_MICRO/LPC1768.sct b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_ARM_MICRO/LPC1768.sct
index 6af8037232..2999e8081d 100644
--- a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_ARM_MICRO/LPC1768.sct
+++ b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_ARM_MICRO/LPC1768.sct
@@ -1,6 +1,15 @@
+#! armcc -E
 
-LR_IROM1 0x00000000 0x80000  {    ; load region size_region
-  ER_IROM1 0x00000000 0x80000  {  ; load address = execution address
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x00000000
+#endif
+
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x80000
+#endif
+
+LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
+  ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)
diff --git a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_ARM_STD/LPC1768.sct b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_ARM_STD/LPC1768.sct
index 2e5afcd5e1..42f4a76492 100644
--- a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_ARM_STD/LPC1768.sct
+++ b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_ARM_STD/LPC1768.sct
@@ -1,6 +1,15 @@
+#! armcc -E
 
-LR_IROM1 0x00000000 0x80000  {    ; load region size_region
-  ER_IROM1 0x00000000 0x80000  {  ; load address = execution address
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x00000000
+#endif
+
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x80000
+#endif
+
+LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
+  ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)
diff --git a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_GCC_ARM/LPC1768.ld b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_GCC_ARM/LPC1768.ld
index 8ab5bcaf22..59d08ecc75 100644
--- a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_GCC_ARM/LPC1768.ld
+++ b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_GCC_ARM/LPC1768.ld
@@ -1,9 +1,15 @@
 /* Linker script for mbed LPC1768 */
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x00000000
+#endif
 
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 512K
+#endif
 /* Linker script to configure memory regions. */
 MEMORY
 {
-  FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512K
+  FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
   RAM (rwx) : ORIGIN = 0x100000C8, LENGTH = (32K - 0xC8 - 32)  /* topmost 32 bytes used by IAP functions */
 
   USB_RAM(rwx) : ORIGIN = 0x2007C000, LENGTH = 16K
diff --git a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_IAR/LPC17xx.icf b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_IAR/LPC17xx.icf
index 57037ba690..6051abd55a 100644
--- a/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_IAR/LPC17xx.icf
+++ b/targets/TARGET_NXP/TARGET_LPC176X/device/TOOLCHAIN_IAR/LPC17xx.icf
@@ -1,11 +1,13 @@
+if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x00000000; }
+if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = 0x80000; }
 /*###ICF### Section handled by ICF editor, don't touch! ****/
 /*-Editor annotation file-*/
 /* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
 /*-Specials-*/
-define symbol __ICFEDIT_intvec_start__ = 0x00000000;
+define symbol __ICFEDIT_intvec_start__ = MBED_APP_START;
 /*-Memory Regions-*/
-define symbol __ICFEDIT_region_ROM_start__   = 0x00000000;
-define symbol __ICFEDIT_region_ROM_end__     = 0x0007FFFF;
+define symbol __ICFEDIT_region_ROM_start__   = MBED_APP_START;
+define symbol __ICFEDIT_region_ROM_end__     = MBED_APP_START + MBED_APP_SIZE - 1;
 define symbol __ICFEDIT_region_NVIC_start__   = 0x10000000;
 define symbol __ICFEDIT_region_NVIC_end__   = 0x100000C7;
 define symbol __ICFEDIT_region_RAM_start__   = 0x100000C8;