diff --git a/core/forkid/forkid_test.go b/core/forkid/forkid_test.go
index 2a7938bd297c2..5829e863e436d 100644
--- a/core/forkid/forkid_test.go
+++ b/core/forkid/forkid_test.go
@@ -70,22 +70,24 @@ func TestCreation(t *testing.T) {
 			params.RopstenChainConfig,
 			params.RopstenGenesisHash,
 			[]testcase{
-				{0, ID{Hash: checksumToBytes(0x30c7ddbc), Next: 10}},            // Unsynced, last Frontier, Homestead and first Tangerine block
-				{9, ID{Hash: checksumToBytes(0x30c7ddbc), Next: 10}},            // Last Tangerine block
-				{10, ID{Hash: checksumToBytes(0x63760190), Next: 1700000}},      // First Spurious block
-				{1699999, ID{Hash: checksumToBytes(0x63760190), Next: 1700000}}, // Last Spurious block
-				{1700000, ID{Hash: checksumToBytes(0x3ea159c7), Next: 4230000}}, // First Byzantium block
-				{4229999, ID{Hash: checksumToBytes(0x3ea159c7), Next: 4230000}}, // Last Byzantium block
-				{4230000, ID{Hash: checksumToBytes(0x97b544f3), Next: 4939394}}, // First Constantinople block
-				{4939393, ID{Hash: checksumToBytes(0x97b544f3), Next: 4939394}}, // Last Constantinople block
-				{4939394, ID{Hash: checksumToBytes(0xd6e2149b), Next: 6485846}}, // First Petersburg block
-				{6485845, ID{Hash: checksumToBytes(0xd6e2149b), Next: 6485846}}, // Last Petersburg block
-				{6485846, ID{Hash: checksumToBytes(0x4bc66396), Next: 7117117}}, // First Istanbul block
-				{7117116, ID{Hash: checksumToBytes(0x4bc66396), Next: 7117117}}, // Last Istanbul block
-				{7117117, ID{Hash: checksumToBytes(0x6727ef90), Next: 9812189}}, // First Muir Glacier block
-				{9812188, ID{Hash: checksumToBytes(0x6727ef90), Next: 9812189}}, // Last Muir Glacier block
-				{9812189, ID{Hash: checksumToBytes(0xa157d377), Next: 0}},       // First Berlin block
-				{10000000, ID{Hash: checksumToBytes(0xa157d377), Next: 0}},      // Future Berlin block
+				{0, ID{Hash: checksumToBytes(0x30c7ddbc), Next: 10}},              // Unsynced, last Frontier, Homestead and first Tangerine block
+				{9, ID{Hash: checksumToBytes(0x30c7ddbc), Next: 10}},              // Last Tangerine block
+				{10, ID{Hash: checksumToBytes(0x63760190), Next: 1700000}},        // First Spurious block
+				{1699999, ID{Hash: checksumToBytes(0x63760190), Next: 1700000}},   // Last Spurious block
+				{1700000, ID{Hash: checksumToBytes(0x3ea159c7), Next: 4230000}},   // First Byzantium block
+				{4229999, ID{Hash: checksumToBytes(0x3ea159c7), Next: 4230000}},   // Last Byzantium block
+				{4230000, ID{Hash: checksumToBytes(0x97b544f3), Next: 4939394}},   // First Constantinople block
+				{4939393, ID{Hash: checksumToBytes(0x97b544f3), Next: 4939394}},   // Last Constantinople block
+				{4939394, ID{Hash: checksumToBytes(0xd6e2149b), Next: 6485846}},   // First Petersburg block
+				{6485845, ID{Hash: checksumToBytes(0xd6e2149b), Next: 6485846}},   // Last Petersburg block
+				{6485846, ID{Hash: checksumToBytes(0x4bc66396), Next: 7117117}},   // First Istanbul block
+				{7117116, ID{Hash: checksumToBytes(0x4bc66396), Next: 7117117}},   // Last Istanbul block
+				{7117117, ID{Hash: checksumToBytes(0x6727ef90), Next: 9812189}},   // First Muir Glacier block
+				{9812188, ID{Hash: checksumToBytes(0x6727ef90), Next: 9812189}},   // Last Muir Glacier block
+				{9812189, ID{Hash: checksumToBytes(0xa157d377), Next: 10499401}},  // First Berlin block
+				{10499400, ID{Hash: checksumToBytes(0xa157d377), Next: 10499401}}, // Last Berlin block
+				{10499401, ID{Hash: checksumToBytes(0x7119b6b3), Next: 0}},        // First London block
+				{11000000, ID{Hash: checksumToBytes(0x7119b6b3), Next: 0}},        // Future London block
 			},
 		},
 		// Rinkeby test cases
@@ -106,8 +108,10 @@ func TestCreation(t *testing.T) {
 				{5435344, ID{Hash: checksumToBytes(0xafec6b27), Next: 5435345}}, // Last Petersburg block
 				{5435345, ID{Hash: checksumToBytes(0xcbdb8838), Next: 8290928}}, // First Istanbul block
 				{8290927, ID{Hash: checksumToBytes(0xcbdb8838), Next: 8290928}}, // Last Istanbul block
-				{8290928, ID{Hash: checksumToBytes(0x6910c8bd), Next: 0}},       // First Berlin block
-				{10000000, ID{Hash: checksumToBytes(0x6910c8bd), Next: 0}},      // Future Berlin block
+				{8290928, ID{Hash: checksumToBytes(0x6910c8bd), Next: 8897988}}, // First Berlin block
+				{8897987, ID{Hash: checksumToBytes(0x6910c8bd), Next: 8897988}}, // Last Berlin block
+				{8897988, ID{Hash: checksumToBytes(0x8E29F2F3), Next: 0}},       // First London block
+				{10000000, ID{Hash: checksumToBytes(0x8E29F2F3), Next: 0}},      // Future London block
 			},
 		},
 		// Goerli test cases
@@ -119,8 +123,10 @@ func TestCreation(t *testing.T) {
 				{1561650, ID{Hash: checksumToBytes(0xa3f5ab08), Next: 1561651}}, // Last Petersburg block
 				{1561651, ID{Hash: checksumToBytes(0xc25efa5c), Next: 4460644}}, // First Istanbul block
 				{4460643, ID{Hash: checksumToBytes(0xc25efa5c), Next: 4460644}}, // Last Istanbul block
-				{4460644, ID{Hash: checksumToBytes(0x757a1c47), Next: 0}},       // First Berlin block
-				{5000000, ID{Hash: checksumToBytes(0x757a1c47), Next: 0}},       // Future Berlin block
+				{4460644, ID{Hash: checksumToBytes(0x757a1c47), Next: 5062605}}, // First Berlin block
+				{5000000, ID{Hash: checksumToBytes(0x757a1c47), Next: 5062605}}, // Last Berlin block
+				{5062605, ID{Hash: checksumToBytes(0xB8C6299D), Next: 0}},       // First London block
+				{6000000, ID{Hash: checksumToBytes(0xB8C6299D), Next: 0}},       // Future London block
 			},
 		},
 	}
diff --git a/params/config.go b/params/config.go
index b0d7f35ee8330..7fd7d6086edf0 100644
--- a/params/config.go
+++ b/params/config.go
@@ -109,6 +109,7 @@ var (
 		IstanbulBlock:       big.NewInt(6_485_846),
 		MuirGlacierBlock:    big.NewInt(7_117_117),
 		BerlinBlock:         big.NewInt(9_812_189),
+		LondonBlock:         big.NewInt(10_499_401),
 		Ethash:              new(EthashConfig),
 	}
 
@@ -149,6 +150,7 @@ var (
 		IstanbulBlock:       big.NewInt(5_435_345),
 		MuirGlacierBlock:    nil,
 		BerlinBlock:         big.NewInt(8_290_928),
+		LondonBlock:         big.NewInt(8_897_988),
 		Clique: &CliqueConfig{
 			Period: 15,
 			Epoch:  30000,
@@ -190,6 +192,7 @@ var (
 		IstanbulBlock:       big.NewInt(1_561_651),
 		MuirGlacierBlock:    nil,
 		BerlinBlock:         big.NewInt(4_460_644),
+		LondonBlock:         big.NewInt(5_062_605),
 		Clique: &CliqueConfig{
 			Period: 15,
 			Epoch:  30000,