diff --git a/BinDays.Api.Collectors/Collectors/Councils/LondonBoroughOfWalthamForest.cs b/BinDays.Api.Collectors/Collectors/Councils/LondonBoroughOfWalthamForest.cs
new file mode 100644
index 0000000..bdb52ae
--- /dev/null
+++ b/BinDays.Api.Collectors/Collectors/Councils/LondonBoroughOfWalthamForest.cs
@@ -0,0 +1,469 @@
+namespace BinDays.Api.Collectors.Collectors.Councils;
+
+using BinDays.Api.Collectors.Collectors.Vendors;
+using BinDays.Api.Collectors.Models;
+using BinDays.Api.Collectors.Utilities;
+using System;
+using System.Collections.Generic;
+using System.Text.Json;
+using System.Text.RegularExpressions;
+
+/// <summary>
+/// Collector implementation for London Borough of Waltham Forest.
+/// </summary>
+internal sealed partial class LondonBoroughOfWalthamForest : GovUkCollectorBase, ICollector
+{
+	/// <inheritdoc/>
+	public string Name => "London Borough of Waltham Forest";
+
+	/// <inheritdoc/>
+	public Uri WebsiteUrl => new("https://www.walthamforest.gov.uk/rubbish-and-recycling/household-bin-collections/check-your-collection-days");
+
+	/// <inheritdoc/>
+	public override string GovUkId => "waltham-forest";
+
+	/// <summary>
+	/// The list of bin types for this collector.
+	/// </summary>
+	private readonly IReadOnlyCollection<Bin> _binTypes =
+	[
+		new()
+		{
+			Name = "General Waste",
+			Colour = BinColour.Black,
+			Keys = [ "Domestic Waste Collection Service" ],
+		},
+		new()
+		{
+			Name = "Recycling",
+			Colour = BinColour.Green,
+			Keys = [ "Recycling Collection Service" ],
+		},
+		new()
+		{
+			Name = "Garden Waste",
+			Colour = BinColour.Brown,
+			Keys = [ "Garden Waste Collection Service" ],
+		},
+		new()
+		{
+			Name = "Food Waste",
+			Colour = BinColour.Brown,
+			Keys = [ "Food Waste Collection Service" ],
+			Type = BinType.Caddy,
+		},
+	];
+
+	/// <summary>
+	/// The AchieveForms URL for the bin collection lookup form.
+	/// </summary>
+	private const string _achieveFormsUrl = "https://portal.walthamforest.gov.uk/AchieveForms/?mode=fill&consentMessage=yes&form_uri=sandbox-publish://AF-Process-d62ccdd2-3de9-48eb-a229-8e20cbdd6393/AF-Stage-8bf39bf9-5391-4c24-857f-0dc2025c67f4/definition.json&process=1&process_uri=sandbox-processes://AF-Process-d62ccdd2-3de9-48eb-a229-8e20cbdd6393&process_id=AF-Process-d62ccdd2-3de9-48eb-a229-8e20cbdd6393";
+
+	/// <summary>
+	/// The base URL for API broker requests.
+	/// </summary>
+	private const string _apibrokerBaseUrl = "https://portal.walthamforest.gov.uk/apibroker/";
+
+	/// <summary>
+	/// The stage ID for the form workflow.
+	/// </summary>
+	private const string _stageId = "AF-Stage-8bf39bf9-5391-4c24-857f-0dc2025c67f4";
+
+	/// <summary>
+	/// The form ID for address lookup.
+	/// </summary>
+	private const string _addressFormId = "AF-Form-08647570-43e4-4e68-9d6a-65d914e27ef7";
+
+	/// <summary>
+	/// The form ID for the main bin collection form.
+	/// </summary>
+	private const string _mainFormId = "AF-Form-07a98da7-bc6b-4df6-aa46-33a06312acce";
+
+	/// <summary>
+	/// The lookup ID for address search.
+	/// </summary>
+	private const string _addressLookupId = "5694fd42a5541";
+
+	/// <summary>
+	/// Regex to extract the session ID (sid) from HTML content.
+	/// </summary>
+	[GeneratedRegex(@"sid=([a-f0-9]+)")]
+	private static partial Regex SessionIdRegex();
+
+	/// <inheritdoc/>
+	public GetAddressesResponse GetAddresses(string postcode, ClientSideResponse? clientSideResponse)
+	{
+		// Prepare client-side request for getting addresses
+		if (clientSideResponse == null)
+		{
+			_ = ProcessingUtilities.FormatPostcode(postcode);
+
+			var clientSideRequest = new ClientSideRequest
+			{
+				RequestId = 1,
+				Url = _achieveFormsUrl,
+				Method = "GET",
+				Headers = new()
+				{
+					{ "user-agent", Constants.UserAgent },
+				},
+			};
+
+			var getAddressesResponse = new GetAddressesResponse
+			{
+				NextClientSideRequest = clientSideRequest,
+			};
+
+			return getAddressesResponse;
+		}
+		// Prepare client-side request for address lookup
+		else if (clientSideResponse.RequestId == 1)
+		{
+			var sid = SessionIdRegex().Match(clientSideResponse.Content).Groups[1].Value;
+			var requestCookies = ProcessingUtilities.ParseSetCookieHeaderForRequestCookie(
+				clientSideResponse.Headers["set-cookie"]
+			);
+			var formattedPostcode = ProcessingUtilities.FormatPostcode(postcode);
+
+			var requestBody = BuildAddressLookupPayload(formattedPostcode);
+
+			var clientSideRequest = new ClientSideRequest
+			{
+				RequestId = 2,
+				Url = $"{_apibrokerBaseUrl}?api=RunLookup&id={_addressLookupId}&repeat_against=&noRetry=false&getOnlyTokens=undefined&log_id=&app_name=AF-Renderer::Self&sid={sid}",
+				Method = "POST",
+				Headers = new()
+				{
+					{ "content-type", "application/json" },
+					{ "cookie", requestCookies },
+					{ "x-requested-with", "XMLHttpRequest" },
+				},
+				Body = requestBody,
+			};
+
+			var getAddressesResponse = new GetAddressesResponse
+			{
+				NextClientSideRequest = clientSideRequest,
+			};
+
+			return getAddressesResponse;
+		}
+		// Process addresses from response
+		else if (clientSideResponse.RequestId == 2)
+		{
+			using var jsonDoc = JsonDocument.Parse(clientSideResponse.Content);
+			var rowsData = jsonDoc.RootElement
+				.GetProperty("integration")
+				.GetProperty("transformed")
+				.GetProperty("rows_data");
+
+			// Iterate through each address, and create a new address object
+			var addresses = new List<Address>();
+			foreach (var property in rowsData.EnumerateObject())
+			{
+				var addressData = property.Value;
+				var display = addressData.GetProperty("display").GetString()!;
+				var uprn = addressData.GetProperty("overview_uprn").GetString()!;
+				var addressPostcode = addressData.GetProperty("overview_postcode").GetString()!;
+
+				var address = new Address
+				{
+					Property = display.Trim(),
+					Postcode = addressPostcode.Trim(),
+					Uid = uprn,
+				};
+
+				addresses.Add(address);
+			}
+
+			var getAddressesResponse = new GetAddressesResponse
+			{
+				Addresses = [.. addresses],
+			};
+
+			return getAddressesResponse;
+		}
+
+		throw new InvalidOperationException("Invalid client-side request.");
+	}
+
+	/// <inheritdoc/>
+	public GetBinDaysResponse GetBinDays(Address address, ClientSideResponse? clientSideResponse)
+	{
+		// Prepare client-side request for getting bin days
+		if (clientSideResponse == null)
+		{
+			var clientSideRequest = new ClientSideRequest
+			{
+				RequestId = 1,
+				Url = _achieveFormsUrl,
+				Method = "GET",
+				Headers = new()
+				{
+					{ "user-agent", Constants.UserAgent },
+				},
+				Options = new ClientSideOptions
+				{
+					Metadata =
+					{
+						{ "uprn", address.Uid! },
+					},
+				},
+			};
+
+			var getBinDaysResponse = new GetBinDaysResponse
+			{
+				NextClientSideRequest = clientSideRequest,
+			};
+
+			return getBinDaysResponse;
+		}
+		// Prepare client-side request for address lookup before bin days
+		else if (clientSideResponse.RequestId == 1)
+		{
+			var sid = SessionIdRegex().Match(clientSideResponse.Content).Groups[1].Value;
+			var requestCookies = ProcessingUtilities.ParseSetCookieHeaderForRequestCookie(
+				clientSideResponse.Headers["set-cookie"]
+			);
+			var formattedPostcode = ProcessingUtilities.FormatPostcode(address.Postcode!);
+
+			var requestBody = BuildAddressLookupPayload(formattedPostcode);
+
+			var clientSideRequest = new ClientSideRequest
+			{
+				RequestId = 2,
+				Url = $"{_apibrokerBaseUrl}?api=RunLookup&id={_addressLookupId}&repeat_against=&noRetry=false&getOnlyTokens=undefined&log_id=&app_name=AF-Renderer::Self&sid={sid}",
+				Method = "POST",
+				Headers = new()
+				{
+					{ "content-type", "application/json" },
+					{ "cookie", requestCookies },
+					{ "x-requested-with", "XMLHttpRequest" },
+				},
+				Body = requestBody,
+				Options = new ClientSideOptions
+				{
+					Metadata =
+					{
+						{ "cookie", requestCookies },
+						{ "sid", sid },
+						{ "uprn", address.Uid! },
+					},
+				},
+			};
+
+			var getBinDaysResponse = new GetBinDaysResponse
+			{
+				NextClientSideRequest = clientSideRequest,
+			};
+
+			return getBinDaysResponse;
+		}
+		// Prepare client-side request for bin collections lookup
+		else if (clientSideResponse.RequestId == 2)
+		{
+			using var jsonDoc = JsonDocument.Parse(clientSideResponse.Content);
+			var rowsData = jsonDoc.RootElement
+				.GetProperty("integration")
+				.GetProperty("transformed")
+				.GetProperty("rows_data");
+
+			var uprn = clientSideResponse.Options.Metadata["uprn"];
+			var matchedAddress = rowsData.EnumerateObject()
+				.Select(p => p.Value)
+				.FirstOrDefault(v => v.GetProperty("overview_uprn").GetString()! == uprn);
+
+			var sid = clientSideResponse.Options.Metadata["sid"];
+			var requestCookies = clientSideResponse.Options.Metadata["cookie"];
+
+			var addressDisplay = matchedAddress.GetProperty("display").GetString()!;
+			var ward = matchedAddress.GetProperty("overview_ward").GetString()!;
+			var formattedPostcode = matchedAddress.GetProperty("overview_postcode").GetString()!;
+
+			var requestBody = BuildMainFormPayload(formattedPostcode, uprn, addressDisplay, ward);
+
+			var clientSideRequest = new ClientSideRequest
+			{
+				RequestId = 3,
+				Url = $"{_apibrokerBaseUrl}runLookup?id=5e42e28b44d9e&repeat_against=&noRetry=true&getOnlyTokens=undefined&log_id=&app_name=AF-Renderer::Self&sid={sid}",
+				Method = "POST",
+				Headers = new()
+				{
+					{ "content-type", "application/json" },
+					{ "cookie", requestCookies },
+					{ "x-requested-with", "XMLHttpRequest" },
+				},
+				Body = requestBody,
+				Options = new ClientSideOptions
+				{
+					Metadata =
+					{
+						{ "cookie", requestCookies },
+						{ "sid", sid },
+						{ "uprn", uprn },
+						{ "address", addressDisplay },
+						{ "ward", ward },
+						{ "postcode", formattedPostcode },
+					},
+				},
+			};
+
+			var getBinDaysResponse = new GetBinDaysResponse
+			{
+				NextClientSideRequest = clientSideRequest,
+			};
+
+			return getBinDaysResponse;
+		}
+		// Process bin days from response
+		else if (clientSideResponse.RequestId == 3)
+		{
+			var sid = clientSideResponse.Options.Metadata["sid"];
+			var requestCookies = clientSideResponse.Options.Metadata["cookie"];
+			var uprn = clientSideResponse.Options.Metadata["uprn"];
+			var addressDisplay = clientSideResponse.Options.Metadata["address"];
+			var ward = clientSideResponse.Options.Metadata["ward"];
+			var formattedPostcode = clientSideResponse.Options.Metadata["postcode"];
+
+			var requestBody = BuildMainFormPayload(formattedPostcode, uprn, addressDisplay, ward);
+
+			var clientSideRequest = new ClientSideRequest
+			{
+				RequestId = 4,
+				Url = $"{_apibrokerBaseUrl}runLookup?id=5e208cda0d0a0&repeat_against=&noRetry=false&getOnlyTokens=undefined&log_id=&app_name=AF-Renderer::Self&sid={sid}",
+				Method = "POST",
+				Headers = new()
+				{
+					{ "content-type", "application/json" },
+					{ "cookie", requestCookies },
+					{ "x-requested-with", "XMLHttpRequest" },
+				},
+				Body = requestBody,
+			};
+
+			var getBinDaysResponse = new GetBinDaysResponse
+			{
+				NextClientSideRequest = clientSideRequest,
+			};
+
+			return getBinDaysResponse;
+		}
+		// Process bin day results
+		else if (clientSideResponse.RequestId == 4)
+		{
+			using var jsonDoc = JsonDocument.Parse(clientSideResponse.Content);
+			var rowsData = jsonDoc.RootElement
+				.GetProperty("integration")
+				.GetProperty("transformed")
+				.GetProperty("rows_data");
+
+			// Iterate through each bin day record, and create a new bin day object
+			var binDays = new List<BinDay>();
+			var binDayEntries = rowsData.ValueKind == JsonValueKind.Object
+				? rowsData.EnumerateObject().Select(p => p.Value)
+				: rowsData.EnumerateArray();
+
+			foreach (var binData in binDayEntries)
+			{
+				var serviceName = binData.GetProperty("ServiceName").GetString()!;
+				var nextCollectionDate = binData.GetProperty("NextCollectionDate").GetString()!.Trim();
+
+				if (string.IsNullOrWhiteSpace(nextCollectionDate) || nextCollectionDate.Contains("NaN", StringComparison.OrdinalIgnoreCase))
+				{
+					continue;
+				}
+
+				var date = nextCollectionDate.ParseDateInferringYear("dddd d MMMM");
+				var matchedBins = ProcessingUtilities.GetMatchingBins(_binTypes, serviceName);
+
+				var binDay = new BinDay
+				{
+					Date = date,
+					Address = address,
+					Bins = matchedBins,
+				};
+
+				binDays.Add(binDay);
+			}
+
+			var getBinDaysResponse = new GetBinDaysResponse
+			{
+				BinDays = ProcessingUtilities.ProcessBinDays(binDays),
+			};
+
+			return getBinDaysResponse;
+		}
+
+		throw new InvalidOperationException("Invalid client-side request.");
+	}
+
+	/// <summary>
+	/// Builds the address lookup request payload for postcode search.
+	/// </summary>
+	/// <param name="postcode">The formatted postcode to search for.</param>
+	/// <returns>JSON payload as a string.</returns>
+	private static string BuildAddressLookupPayload(string postcode)
+	{
+		return $$"""
+		{
+			"formId": "{{_addressFormId}}",
+			"formValues": {
+				"Section 1": {
+					"postcode_search": {
+						"value": "{{postcode}}"
+					}
+				}
+			}
+		}
+		""";
+	}
+
+	/// <summary>
+	/// Builds the main form request payload for bin collection lookups.
+	/// </summary>
+	/// <param name="postcode">The formatted postcode.</param>
+	/// <param name="uprn">The unique property reference number.</param>
+	/// <param name="addressDisplay">The full display address.</param>
+	/// <param name="ward">The ward name.</param>
+	/// <returns>JSON payload as a string.</returns>
+	private static string BuildMainFormPayload(string postcode, string uprn, string addressDisplay, string ward)
+	{
+		return $$"""
+		{
+			"formId": "{{_mainFormId}}",
+			"formValues": {
+				"Section 1": {
+					"calcWardCode": {
+						"value": "{{ward}}"
+					},
+					"addressLookup": {
+						"value": {
+							"Section 1": {
+								"postcode_search": {
+									"value": "{{postcode}}"
+								},
+								"postcodeFound": {
+									"value": "1"
+								},
+								"YourAddress": {
+									"value_label": ["{{addressDisplay}}"],
+									"value": "{{uprn}}"
+								},
+								"uprnConfirm": {
+									"value": "{{uprn}}"
+								},
+								"wardName": {
+									"value": "{{ward}}"
+								}
+							}
+						}
+					},
+					"inputUPRN": {
+						"value": "{{uprn}}"
+					}
+				}
+			}
+		}
+		""";
+	}
+}
diff --git a/BinDays.Api.IntegrationTests/Collectors/Councils/LondonBoroughOfWalthamForestTests.cs b/BinDays.Api.IntegrationTests/Collectors/Councils/LondonBoroughOfWalthamForestTests.cs
new file mode 100644
index 0000000..9f01d86
--- /dev/null
+++ b/BinDays.Api.IntegrationTests/Collectors/Councils/LondonBoroughOfWalthamForestTests.cs
@@ -0,0 +1,30 @@
+namespace BinDays.Api.IntegrationTests.Collectors.Councils;
+
+using BinDays.Api.IntegrationTests.Helpers;
+using System.Threading.Tasks;
+using Xunit;
+using Xunit.Abstractions;
+
+public class LondonBoroughOfWalthamForestTests
+{
+	private readonly IntegrationTestClient _client;
+	private readonly ITestOutputHelper _outputHelper;
+
+	public LondonBoroughOfWalthamForestTests(ITestOutputHelper outputHelper)
+	{
+		_outputHelper = outputHelper;
+		_client = new IntegrationTestClient(outputHelper);
+	}
+
+	[Theory]
+	[InlineData("E17 9HN")]
+	public async Task GetBinDaysTest(string postcode)
+	{
+		await TestSteps.EndToEnd(
+			_client,
+			postcode,
+			"waltham-forest",
+			_outputHelper
+		);
+	}
+}