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| <html lang="en-GB"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>UK Property Project Calculator | SamPlanning</title> | |
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| fontFamily: { | |
| sans: ['Inter', 'sans-serif'], | |
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| <style> | |
| @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap'); | |
| body { | |
| font-family: 'Inter', sans-serif; | |
| } | |
| .input-highlight { | |
| box-shadow: 0 0 0 2px rgba(29, 78, 216, 0.2); | |
| } | |
| .input-highlight:focus { | |
| box-shadow: 0 0 0 2px rgba(29, 78, 216, 0.5); | |
| } | |
| .results-card { | |
| transition: all 0.3s ease; | |
| } | |
| .results-card:hover { | |
| transform: translateY(-2px); | |
| box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); | |
| } | |
| .tab-active { | |
| border-bottom: 3px solid #1d4ed8; | |
| font-weight: 600; | |
| color: #1d4ed8; | |
| } | |
| </style> | |
| </head> | |
| <body class="bg-gray-50"> | |
| <header class="bg-white shadow-sm"> | |
| <div class="container mx-auto px-4 py-6"> | |
| <div class="flex justify-between items-center"> | |
| <div class="flex items-center"> | |
| <div class="w-10 h-10 bg-primary rounded-full flex items-center justify-center text-white font-bold text-xl mr-3">SP</div> | |
| <h1 class="text-xl font-bold text-gray-800">SamPlanning</h1> | |
| </div> | |
| <nav class="hidden md:flex space-x-8"> | |
| <a href="#" class="text-gray-600 hover:text-primary">Services</a> | |
| <a href="#" class="text-gray-600 hover:text-primary">Projects</a> | |
| <a href="#" class="text-gray-600 hover:text-primary">About</a> | |
| <a href="#" class="text-primary font-medium">Calculator</a> | |
| </nav> | |
| <button class="md:hidden text-gray-600"> | |
| <i class="fas fa-bars text-2xl"></i> | |
| </button> | |
| </div> | |
| </div> | |
| </header> | |
| <main class="container mx-auto px-4 py-8 md:py-12"> | |
| <div class="max-w-4xl mx-auto"> | |
| <div class="text-center mb-10"> | |
| <h2 class="text-3xl md:text-4xl font-bold text-gray-900 mb-4">UK Property Project Calculator</h2> | |
| <p class="text-lg text-gray-600 max-w-2xl mx-auto">Estimate costs, potential value and ROI for your domestic project in under 2 minutes</p> | |
| </div> | |
| <div class="bg-white rounded-xl shadow-md overflow-hidden mb-10"> | |
| <div class="flex border-b"> | |
| <button id="homeowner-tab" class="tab-active flex-1 py-4 px-6 text-center font-medium">Homeowner</button> | |
| <button id="landlord-tab" class="flex-1 py-4 px-6 text-center font-medium text-gray-600">Landlord</button> | |
| <button id="developer-tab" class="flex-1 py-4 px-6 text-center font-medium text-gray-600">Developer</button> | |
| </div> | |
| <div class="p-6 md:p-8"> | |
| <div class="grid grid-cols-1 md:grid-cols-2 gap-8"> | |
| <div> | |
| <h3 class="text-xl font-semibold text-gray-800 mb-6">Project Details</h3> | |
| <div class="mb-6"> | |
| <label for="project-type" class="block text-sm font-medium text-gray-700 mb-2">Project Type</label> | |
| <select id="project-type" class="w-full px-4 py-3 rounded-lg border border-gray-300 focus:outline-none focus:input-highlight"> | |
| <option value="extension">Extension</option> | |
| <option value="loft">Loft Conversion</option> | |
| <option value="hmo">HMO Conversion</option> | |
| <option value="newbuild">New Build</option> | |
| <option value="refurb">Full Refurbishment</option> | |
| </select> | |
| </div> | |
| <div class="mb-6"> | |
| <label for="location" class="block text-sm font-medium text-gray-700 mb-2">Location (Postcode Area)</label> | |
| <input type="text" id="location" placeholder="e.g. SW1, M1, B1" class="w-full px-4 py-3 rounded-lg border border-gray-300 focus:outline-none focus:input-highlight"> | |
| </div> | |
| <div class="mb-6"> | |
| <label for="current-value" class="block text-sm font-medium text-gray-700 mb-2">Current Property Value (£)</label> | |
| <input type="number" id="current-value" placeholder="e.g. 350000" class="w-full px-4 py-3 rounded-lg border border-gray-300 focus:outline-none focus:input-highlight"> | |
| </div> | |
| <div class="mb-6"> | |
| <label for="size" class="block text-sm font-medium text-gray-700 mb-2">Project Size (sq ft)</label> | |
| <input type="number" id="size" placeholder="e.g. 500" class="w-full px-4 py-3 rounded-lg border border-gray-300 focus:outline-none focus:input-highlight"> | |
| </div> | |
| <div class="mb-6"> | |
| <label for="quality" class="block text-sm font-medium text-gray-700 mb-2">Finish Quality</label> | |
| <select id="quality" class="w-full px-4 py-3 rounded-lg border border-gray-300 focus:outline-none focus:input-highlight"> | |
| <option value="basic">Basic</option> | |
| <option value="standard" selected>Standard</option> | |
| <option value="premium">Premium</option> | |
| <option value="luxury">Luxury</option> | |
| </select> | |
| </div> | |
| </div> | |
| <div> | |
| <h3 class="text-xl font-semibold text-gray-800 mb-6">Financial Details</h3> | |
| <div class="mb-6"> | |
| <label for="build-cost" class="block text-sm font-medium text-gray-700 mb-2">Estimated Build Cost (£)</label> | |
| <div class="relative"> | |
| <input type="number" id="build-cost" placeholder="e.g. 50000" class="w-full px-4 py-3 rounded-lg border border-gray-300 focus:outline-none focus:input-highlight"> | |
| <button id="cost-calculator-btn" class="absolute right-3 top-3 text-primary text-sm font-medium">Calculate for me</button> | |
| </div> | |
| </div> | |
| <div class="mb-6"> | |
| <label for="fees" class="block text-sm font-medium text-gray-700 mb-2">Professional Fees (£)</label> | |
| <input type="number" id="fees" placeholder="e.g. 10000" class="w-full px-4 py-3 rounded-lg border border-gray-300 focus:outline-none focus:input-highlight"> | |
| </div> | |
| <div class="mb-6"> | |
| <label for="finance-cost" class="block text-sm font-medium text-gray-700 mb-2">Finance Cost (if applicable) (£)</label> | |
| <input type="number" id="finance-cost" placeholder="e.g. 5000" class="w-full px-4 py-3 rounded-lg border border-gray-300 focus:outline-none focus:input-highlight"> | |
| </div> | |
| <div class="mb-6"> | |
| <label for="rental-income" class="block text-sm font-medium text-gray-700 mb-2">Expected Rental Income (£/month)</label> | |
| <input type="number" id="rental-income" placeholder="e.g. 1200" class="w-full px-4 py-3 rounded-lg border border-gray-300 focus:outline-none focus:input-highlight"> | |
| </div> | |
| <div class="flex justify-end"> | |
| <button id="calculate-btn" class="bg-primary hover:bg-blue-700 text-white font-medium py-3 px-8 rounded-lg transition duration-300"> | |
| Calculate ROI | |
| </button> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| <div id="results-section" class="hidden"> | |
| <h3 class="text-2xl font-semibold text-gray-800 mb-6">Your Project Results</h3> | |
| <div class="grid grid-cols-1 md:grid-cols-3 gap-6 mb-10"> | |
| <div class="results-card bg-white p-6 rounded-xl shadow-sm border-l-4 border-primary"> | |
| <h4 class="text-lg font-medium text-gray-700 mb-3">Total Project Cost</h4> | |
| <p id="total-cost" class="text-3xl font-bold text-gray-900 mb-2">£0</p> | |
| <p class="text-sm text-gray-500">Including build, fees & finance</p> | |
| </div> | |
| <div class="results-card bg-white p-6 rounded-xl shadow-sm border-l-4 border-secondary"> | |
| <h4 class="text-lg font-medium text-gray-700 mb-3">End Value / Annual Rent</h4> | |
| <p id="end-value" class="text-3xl font-bold text-gray-900 mb-2">£0</p> | |
| <p id="rental-display" class="text-sm text-gray-500 hidden">Potential annual rental income</p> | |
| <p id="value-display" class="text-sm text-gray-500">Estimated property value after works</p> | |
| </div> | |
| <div class="results-card bg-white p-6 rounded-xl shadow-sm border-l-4 border-accent"> | |
| <h4 class="text-lg font-medium text-gray-700 mb-3">Profit on Sale</h4> | |
| <p id="profit" class="text-3xl font-bold text-gray-900 mb-2">£0</p> | |
| <p class="text-sm text-gray-500">After deducting all costs</p> | |
| </div> | |
| </div> | |
| <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-10"> | |
| <div class="bg-white p-6 rounded-xl shadow-sm"> | |
| <h4 class="text-lg font-medium text-gray-700 mb-4">ROI Metrics</h4> | |
| <div class="space-y-4"> | |
| <div> | |
| <div class="flex justify-between mb-1"> | |
| <span class="text-sm font-medium text-gray-700">Gross Yield</span> | |
| <span id="gross-yield" class="text-sm font-medium text-gray-900">0%</span> | |
| </div> | |
| <div class="w-full bg-gray-200 rounded-full h-2"> | |
| <div id="gross-yield-bar" class="bg-secondary h-2 rounded-full" style="width: 0%"></div> | |
| </div> | |
| </div> | |
| <div> | |
| <div class="flex justify-between mb-1"> | |
| <span class="text-sm font-medium text-gray-700">Profit Margin</span> | |
| <span id="profit-margin" class="text-sm font-medium text-gray-900">0%</span> | |
| </div> | |
| <div class="w-full bg-gray-200 rounded-full h-2"> | |
| <div id="profit-margin-bar" class="bg-primary h-2 rounded-full" style="width: 0%"></div> | |
| </div> | |
| </div> | |
| <div> | |
| <div class="flex justify-between mb-1"> | |
| <span class="text-sm font-medium text-gray-700">Payback Period</span> | |
| <span id="payback-period" class="text-sm font-medium text-gray-900">0 years</span> | |
| </div> | |
| <div class="w-full bg-gray-200 rounded-full h-2"> | |
| <div id="payback-bar" class="bg-accent h-2 rounded-full" style="width: 0%"></div> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| <div class="bg-white p-6 rounded-xl shadow-sm"> | |
| <h4 class="text-lg font-medium text-gray-700 mb-4">Cost Breakdown</h4> | |
| <div class="space-y-3"> | |
| <div class="flex justify-between"> | |
| <span class="text-sm text-gray-600">Build Cost</span> | |
| <span id="build-cost-display" class="text-sm font-medium text-gray-900">£0</span> | |
| </div> | |
| <div class="flex justify-between"> | |
| <span class="text-sm text-gray-600">Professional Fees</span> | |
| <span id="fees-display" class="text-sm font-medium text-gray-900">£0</span> | |
| </div> | |
| <div class="flex justify-between"> | |
| <span class="text-sm text-gray-600">Finance Costs</span> | |
| <span id="finance-display" class="text-sm font-medium text-gray-900">£0</span> | |
| </div> | |
| <div class="border-t border-gray-200 my-2"></div> | |
| <div class="flex justify-between"> | |
| <span class="text-sm font-medium text-gray-700">Total Cost</span> | |
| <span id="total-cost-display" class="text-sm font-medium text-gray-900">£0</span> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| <div class="bg-primary-50 border border-primary-100 rounded-xl p-6 md:p-8 mb-10"> | |
| <div class="flex flex-col md:flex-row items-center"> | |
| <div class="md:w-2/3 mb-6 md:mb-0 md:pr-8"> | |
| <h3 class="text-xl font-semibold text-gray-800 mb-3">Get a Detailed Assessment</h3> | |
| <p class="text-gray-600 mb-4">Our calculator provides estimates based on averages. For a precise assessment tailored to your specific project, book a consultation with one of our experts.</p> | |
| <ul class="space-y-2 text-gray-700"> | |
| <li class="flex items-start"> | |
| <i class="fas fa-check-circle text-secondary mt-1 mr-2"></i> | |
| <span>Accurate local cost data</span> | |
| </li> | |
| <li class="flex items-start"> | |
| <i class="fas fa-check-circle text-secondary mt-1 mr-2"></i> | |
| <span>Planning permission guidance</span> | |
| </li> | |
| <li class="flex items-start"> | |
| <i class="fas fa-check-circle text-secondary mt-1 mr-2"></i> | |
| <span>Optimised design solutions</span> | |
| </li> | |
| </ul> | |
| </div> | |
| <div class="md:w-1/3 w-full"> | |
| <button id="book-consultation-btn" class="w-full bg-primary hover:bg-blue-700 text-white font-medium py-3 px-6 rounded-lg transition duration-300"> | |
| Book Consultation | |
| </button> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| </main> | |
| <footer class="bg-gray-800 text-white py-12"> | |
| <div class="container mx-auto px-4"> | |
| <div class="grid grid-cols-1 md:grid-cols-4 gap-8"> | |
| <div> | |
| <h3 class="text-lg font-semibold mb-4">SamPlanning</h3> | |
| <p class="text-gray-400">UK property project specialists helping homeowners, landlords and developers maximise their returns.</p> | |
| </div> | |
| <div> | |
| <h3 class="text-lg font-semibold mb-4">Services</h3> | |
| <ul class="space-y-2 text-gray-400"> | |
| <li><a href="#" class="hover:text-white">Planning Applications</a></li> | |
| <li><a href="#" class="hover:text-white">Project Management</a></li> | |
| <li><a href="#" class="hover:text-white">Cost Consultancy</a></li> | |
| <li><a href="#" class="hover:text-white">HMO Conversions</a></li> | |
| </ul> | |
| </div> | |
| <div> | |
| <h3 class="text-lg font-semibold mb-4">Contact</h3> | |
| <ul class="space-y-2 text-gray-400"> | |
| <li class="flex items-start"> | |
| <i class="fas fa-phone-alt mt-1 mr-2 text-gray-300"></i> | |
| <span>020 1234 5678</span> | |
| </li> | |
| <li class="flex items-start"> | |
| <i class="fas fa-envelope mt-1 mr-2 text-gray-300"></i> | |
| <span>[email protected]</span> | |
| </li> | |
| <li class="flex items-start"> | |
| <i class="fas fa-map-marker-alt mt-1 mr-2 text-gray-300"></i> | |
| <span>London, UK</span> | |
| </li> | |
| </ul> | |
| </div> | |
| <div> | |
| <h3 class="text-lg font-semibold mb-4">Legal</h3> | |
| <ul class="space-y-2 text-gray-400"> | |
| <li><a href="#" class="hover:text-white">Privacy Policy</a></li> | |
| <li><a href="#" class="hover:text-white">Terms of Service</a></li> | |
| <li><a href="#" class="hover:text-white">Cookies</a></li> | |
| </ul> | |
| </div> | |
| </div> | |
| <div class="border-t border-gray-700 mt-8 pt-8 text-center text-gray-400"> | |
| <p>© 2023 SamPlanning. All rights reserved.</p> | |
| </div> | |
| </div> | |
| </footer> | |
| <script> | |
| // Tab switching functionality | |
| const homeownerTab = document.getElementById('homeowner-tab'); | |
| const landlordTab = document.getElementById('landlord-tab'); | |
| const developerTab = document.getElementById('developer-tab'); | |
| const tabs = [homeownerTab, landlordTab, developerTab]; | |
| tabs.forEach(tab => { | |
| tab.addEventListener('click', () => { | |
| tabs.forEach(t => t.classList.remove('tab-active', 'text-primary')); | |
| tabs.forEach(t => t.classList.add('text-gray-600')); | |
| tab.classList.add('tab-active', 'text-primary'); | |
| tab.classList.remove('text-gray-600'); | |
| // Update the form based on selected tab | |
| updateFormForUserType(tab.id); | |
| }); | |
| }); | |
| function updateFormForUserType(tabId) { | |
| const rentalIncomeField = document.getElementById('rental-income'); | |
| const rentalDisplay = document.getElementById('rental-display'); | |
| const valueDisplay = document.getElementById('value-display'); | |
| if (tabId === 'landlord-tab') { | |
| rentalIncomeField.placeholder = "e.g. 2500"; | |
| rentalDisplay.classList.remove('hidden'); | |
| valueDisplay.classList.add('hidden'); | |
| } else { | |
| rentalIncomeField.placeholder = "e.g. 1200"; | |
| rentalDisplay.classList.add('hidden'); | |
| valueDisplay.classList.remove('hidden'); | |
| } | |
| } | |
| // Cost calculator button | |
| document.getElementById('cost-calculator-btn').addEventListener('click', () => { | |
| const projectType = document.getElementById('project-type').value; | |
| const size = parseFloat(document.getElementById('size').value) || 0; | |
| const quality = document.getElementById('quality').value; | |
| // Basic cost estimation logic | |
| let costPerSqFt; | |
| switch(quality) { | |
| case 'basic': | |
| costPerSqFt = 120; | |
| break; | |
| case 'standard': | |
| costPerSqFt = 180; | |
| break; | |
| case 'premium': | |
| costPerSqFt = 250; | |
| break; | |
| case 'luxury': | |
| costPerSqFt = 350; | |
| break; | |
| default: | |
| costPerSqFt = 180; | |
| } | |
| // Adjust for project type | |
| if (projectType === 'loft') costPerSqFt *= 1.2; | |
| if (projectType === 'hmo') costPerSqFt *= 0.9; | |
| if (projectType === 'newbuild') costPerSqFt *= 0.85; | |
| const estimatedCost = Math.round(size * costPerSqFt); | |
| if (estimatedCost > 0) { | |
| document.getElementById('build-cost').value = estimatedCost; | |
| // Estimate professional fees as 15% of build cost | |
| document.getElementById('fees').value = Math.round(estimatedCost * 0.15); | |
| } | |
| }); | |
| // Main calculation function | |
| document.getElementById('calculate-btn').addEventListener('click', calculateROI); | |
| function calculateROI() { | |
| const currentValue = parseFloat(document.getElementById('current-value').value) || 0; | |
| const buildCost = parseFloat(document.getElementById('build-cost').value) || 0; | |
| const fees = parseFloat(document.getElementById('fees').value) || 0; | |
| const financeCost = parseFloat(document.getElementById('finance-cost').value) || 0; | |
| const rentalIncome = parseFloat(document.getElementById('rental-income').value) || 0; | |
| const projectType = document.getElementById('project-type').value; | |
| const size = parseFloat(document.getElementById('size').value) || 0; | |
| // Calculate total cost | |
| const totalCost = buildCost + fees + financeCost; | |
| // Estimate end value based on project type and size | |
| let valueIncrease; | |
| switch(projectType) { | |
| case 'extension': | |
| valueIncrease = size * 500; // £500/sq ft value increase | |
| break; | |
| case 'loft': | |
| valueIncrease = size * 600; | |
| break; | |
| case 'hmo': | |
| valueIncrease = currentValue * 0.3; // 30% increase for HMO conversion | |
| break; | |
| case 'newbuild': | |
| valueIncrease = size * 700; | |
| break; | |
| case 'refurb': | |
| valueIncrease = currentValue * 0.25; | |
| break; | |
| default: | |
| valueIncrease = size * 500; | |
| } | |
| const endValue = currentValue + valueIncrease; | |
| // Calculate profit | |
| const profit = endValue - currentValue - totalCost; | |
| // Calculate ROI metrics | |
| const grossYield = rentalIncome > 0 ? ((rentalIncome * 12) / (currentValue + totalCost)) * 100 : 0; | |
| const profitMargin = (profit / totalCost) * 100; | |
| const paybackPeriod = rentalIncome > 0 ? totalCost / (rentalIncome * 12) : 0; | |
| // Update results display | |
| document.getElementById('total-cost').textContent = `£${totalCost.toLocaleString()}`; | |
| document.getElementById('end-value').textContent = `£${endValue.toLocaleString()}`; | |
| document.getElementById('profit').textContent = `£${profit.toLocaleString()}`; | |
| document.getElementById('gross-yield').textContent = `${grossYield.toFixed(1)}%`; | |
| document.getElementById('profit-margin').textContent = `${profitMargin.toFixed(1)}%`; | |
| document.getElementById('payback-period').textContent = `${paybackPeriod.toFixed(1)} years`; | |
| // Update progress bars | |
| document.getElementById('gross-yield-bar').style.width = `${Math.min(grossYield, 30)}%`; | |
| document.getElementById('profit-margin-bar').style.width = `${Math.min(profitMargin, 100)}%`; | |
| document.getElementById('payback-bar').style.width = `${Math.min(paybackPeriod * 10, 100)}%`; | |
| // Update cost breakdown | |
| document.getElementById('build-cost-display').textContent = `£${buildCost.toLocaleString()}`; | |
| document.getElementById('fees-display').textContent = `£${fees.toLocaleString()}`; | |
| document.getElementById('finance-display').textContent = `£${financeCost.toLocaleString()}`; | |
| document.getElementById('total-cost-display').textContent = `£${totalCost.toLocaleString()}`; | |
| // Show results section | |
| document.getElementById('results-section').classList.remove('hidden'); | |
| // Scroll to results | |
| document.getElementById('results-section').scrollIntoView({ behavior: 'smooth' }); | |
| } | |
| // Book consultation button | |
| document.getElementById('book-consultation-btn').addEventListener('click', () => { | |
| alert('Thank you for your interest! A SamPlanning representative will contact you shortly to schedule your consultation.'); | |
| }); | |
| </script> | |
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