diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3fc8e00d2c..b1d68d589a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 Changes:
 
 - Add missing historic `Heartbeat: HeartbeatTo244` mapping to Westend
+- Contract reads will now expose an additional `gasRequired`
 
 
 ## 4.17.1 Jul 5, 2021
diff --git a/packages/api-contract/src/base/Contract.ts b/packages/api-contract/src/base/Contract.ts
index a9c4832b69..d888bcd195 100644
--- a/packages/api-contract/src/base/Contract.ts
+++ b/packages/api-contract/src/base/Contract.ts
@@ -145,9 +145,12 @@ export class Contract<ApiType extends ApiTypes> extends Base<ApiType> {
             value
           })
           .pipe(
-            map(({ debugMessage, gasConsumed, result }): ContractCallOutcome => ({
+            map(({ debugMessage, gasConsumed, gasRequired, result }): ContractCallOutcome => ({
               debugMessage,
               gasConsumed,
+              gasRequired: gasRequired && !gasRequired.isZero()
+                ? gasRequired
+                : gasConsumed,
               output: result.isOk && message.returnType
                 ? createTypeUnsafe(this.registry, message.returnType.type, [result.asOk.data.toU8a(true)], { isPedantic: true })
                 : null,
diff --git a/packages/api-contract/src/types.ts b/packages/api-contract/src/types.ts
index 8350c7db4f..711d4c80f7 100644
--- a/packages/api-contract/src/types.ts
+++ b/packages/api-contract/src/types.ts
@@ -55,6 +55,7 @@ export interface InterfaceContractCalls {
 export interface ContractCallOutcome {
   debugMessage: Text;
   gasConsumed: u64;
+  gasRequired: u64;
   output: Codec | null;
   result: ContractExecResultResult;
 }
diff --git a/packages/types/src/augment/registry.ts b/packages/types/src/augment/registry.ts
index b921cc1e9b..e5e09a7fc4 100644
--- a/packages/types/src/augment/registry.ts
+++ b/packages/types/src/augment/registry.ts
@@ -16,7 +16,7 @@ import type { PrefixedStorageKey } from '@polkadot/types/interfaces/childstate';
 import type { EthereumAddress, StatementKind } from '@polkadot/types/interfaces/claims';
 import type { CollectiveOrigin, MemberCount, ProposalIndex, Votes, VotesTo230 } from '@polkadot/types/interfaces/collective';
 import type { AuthorityId, RawVRFOutput } from '@polkadot/types/interfaces/consensus';
-import type { AliveContractInfo, CodeHash, ContractCallRequest, ContractExecResult, ContractExecResultErr, ContractExecResultErrModule, ContractExecResultOk, ContractExecResultResult, ContractExecResultSuccessTo255, ContractExecResultSuccessTo260, ContractExecResultTo255, ContractExecResultTo260, ContractInfo, ContractInstantiateResult, ContractStorageKey, DeletedContract, ExecReturnValue, Gas, HostFnWeights, HostFnWeightsTo264, InstantiateRequest, InstantiateReturnValue, InstructionWeights, Limits, LimitsTo264, PrefabWasmModule, RentProjection, Schedule, ScheduleTo212, ScheduleTo258, ScheduleTo264, SeedOf, TombstoneContractInfo, TrieId } from '@polkadot/types/interfaces/contracts';
+import type { AliveContractInfo, CodeHash, ContractCallRequest, ContractExecResult, ContractExecResultErr, ContractExecResultErrModule, ContractExecResultOk, ContractExecResultResult, ContractExecResultSuccessTo255, ContractExecResultSuccessTo260, ContractExecResultTo255, ContractExecResultTo260, ContractExecResultTo267, ContractInfo, ContractInstantiateResult, ContractStorageKey, DeletedContract, ExecReturnValue, Gas, HostFnWeights, HostFnWeightsTo264, InstantiateRequest, InstantiateReturnValue, InstructionWeights, Limits, LimitsTo264, PrefabWasmModule, RentProjection, Schedule, ScheduleTo212, ScheduleTo258, ScheduleTo264, SeedOf, TombstoneContractInfo, TrieId } from '@polkadot/types/interfaces/contracts';
 import type { ContractConstructorSpec, ContractContractSpec, ContractCryptoHasher, ContractDiscriminant, ContractDisplayName, ContractEventParamSpec, ContractEventSpec, ContractLayoutArray, ContractLayoutCell, ContractLayoutEnum, ContractLayoutHash, ContractLayoutHashingStrategy, ContractLayoutKey, ContractLayoutStruct, ContractLayoutStructField, ContractMessageParamSpec, ContractMessageSpec, ContractProject, ContractProjectContract, ContractProjectSource, ContractSelector, ContractStorageLayout, ContractTypeSpec } from '@polkadot/types/interfaces/contractsAbi';
 import type { FundIndex, FundInfo, LastContribution, TrieIndex } from '@polkadot/types/interfaces/crowdloan';
 import type { ConfigData, MessageId, OverweightIndex, PageCounter, PageIndexData } from '@polkadot/types/interfaces/cumulus';
@@ -315,6 +315,7 @@ declare module '@polkadot/types/types/registry' {
     'Option<ContractExecResultSuccessTo260>': Option<ContractExecResultSuccessTo260>;
     'Option<ContractExecResultTo255>': Option<ContractExecResultTo255>;
     'Option<ContractExecResultTo260>': Option<ContractExecResultTo260>;
+    'Option<ContractExecResultTo267>': Option<ContractExecResultTo267>;
     'Option<ContractInfo>': Option<ContractInfo>;
     'Option<ContractInstantiateResult>': Option<ContractInstantiateResult>;
     'Option<ContractLayoutArray>': Option<ContractLayoutArray>;
@@ -1195,6 +1196,7 @@ declare module '@polkadot/types/types/registry' {
     'Vec<ContractExecResultSuccessTo260>': Vec<ContractExecResultSuccessTo260>;
     'Vec<ContractExecResultTo255>': Vec<ContractExecResultTo255>;
     'Vec<ContractExecResultTo260>': Vec<ContractExecResultTo260>;
+    'Vec<ContractExecResultTo267>': Vec<ContractExecResultTo267>;
     'Vec<ContractInfo>': Vec<ContractInfo>;
     'Vec<ContractInstantiateResult>': Vec<ContractInstantiateResult>;
     'Vec<ContractLayoutArray>': Vec<ContractLayoutArray>;
@@ -2075,6 +2077,7 @@ declare module '@polkadot/types/types/registry' {
     ContractExecResultSuccessTo260: ContractExecResultSuccessTo260;
     ContractExecResultTo255: ContractExecResultTo255;
     ContractExecResultTo260: ContractExecResultTo260;
+    ContractExecResultTo267: ContractExecResultTo267;
     ContractInfo: ContractInfo;
     ContractInstantiateResult: ContractInstantiateResult;
     ContractLayoutArray: ContractLayoutArray;
diff --git a/packages/types/src/interfaces/contracts/definitions.ts b/packages/types/src/interfaces/contracts/definitions.ts
index 23513969e5..1f67124667 100644
--- a/packages/types/src/interfaces/contracts/definitions.ts
+++ b/packages/types/src/interfaces/contracts/definitions.ts
@@ -141,8 +141,14 @@ export default {
         Err: 'ContractExecResultErr'
       }
     },
+    ContractExecResultTo267: {
+      gasConsumed: 'u64',
+      debugMessage: 'Text',
+      result: 'ContractExecResultResult'
+    },
     ContractExecResult: {
       gasConsumed: 'u64',
+      gasRequired: 'u64',
       debugMessage: 'Text',
       result: 'ContractExecResultResult'
     },
diff --git a/packages/types/src/interfaces/contracts/types.ts b/packages/types/src/interfaces/contracts/types.ts
index 6f8b080887..01bedece8a 100644
--- a/packages/types/src/interfaces/contracts/types.ts
+++ b/packages/types/src/interfaces/contracts/types.ts
@@ -32,6 +32,7 @@ export interface ContractCallRequest extends Struct {
 /** @name ContractExecResult */
 export interface ContractExecResult extends Struct {
   readonly gasConsumed: u64;
+  readonly gasRequired: u64;
   readonly debugMessage: Text;
   readonly result: ContractExecResultResult;
 }
@@ -94,6 +95,13 @@ export interface ContractExecResultTo260 extends Enum {
   readonly isError: boolean;
 }
 
+/** @name ContractExecResultTo267 */
+export interface ContractExecResultTo267 extends Struct {
+  readonly gasConsumed: u64;
+  readonly debugMessage: Text;
+  readonly result: ContractExecResultResult;
+}
+
 /** @name ContractInfo */
 export interface ContractInfo extends Enum {
   readonly isAlive: boolean;