231 lines
8.1 KiB
TypeScript
231 lines
8.1 KiB
TypeScript
import React, { useMemo, useState } from 'react';
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import { Property } from '../types';
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import { formatDuration, formatAge, formatNumber } from '../lib/format';
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import { getNum } from '../lib/property-fields';
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import InfoPopup from './InfoPopup';
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import { SearchInput } from './ui/SearchInput';
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import { PaneHeader } from './ui/PaneHeader';
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import { PaneEmptyState } from './ui/EmptyState';
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interface PropertiesPaneProps {
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properties: Property[];
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total: number;
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loading: boolean;
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hexagonId: string | null;
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onLoadMore: () => void;
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onClose: () => void;
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onNavigateToSource?: (slug: string) => void;
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}
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type SortBy = 'price' | 'size' | 'energy';
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export function PropertiesPane({
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properties,
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total,
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loading,
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hexagonId,
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onLoadMore,
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onClose,
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onNavigateToSource,
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}: PropertiesPaneProps) {
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const [sortBy, setSortBy] = useState<SortBy>('price');
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const [search, setSearch] = useState('');
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const [showInfo, setShowInfo] = useState(false);
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const filteredAndSorted = useMemo(() => {
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const query = search.trim().toLowerCase();
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const filtered = query
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? properties.filter((p) => {
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const addr = (p.address || '').toLowerCase();
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const pc = (p.postcode || '').toLowerCase();
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return addr.includes(query) || pc.includes(query);
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})
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: properties;
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return [...filtered].sort((a, b) => {
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switch (sortBy) {
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case 'price':
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return ((b.latest_price as number) || 0) - ((a.latest_price as number) || 0);
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case 'size':
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return ((b.total_floor_area as number) || 0) - ((a.total_floor_area as number) || 0);
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case 'energy':
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return (a.current_energy_rating || 'Z').localeCompare(b.current_energy_rating || 'Z');
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}
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});
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}, [properties, sortBy, search]);
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if (!hexagonId) {
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return <PaneEmptyState message="Click a hexagon to view properties" />;
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}
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return (
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<div className="flex flex-col h-full">
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<PaneHeader
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title="Properties"
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subtitle={
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search.trim()
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? `${filteredAndSorted.length} match${filteredAndSorted.length !== 1 ? 'es' : ''} in ${properties.length} loaded`
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: `Showing ${properties.length} of ${total} properties`
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}
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onClose={onClose}
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onInfoClick={() => setShowInfo(true)}
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/>
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{showInfo && (
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<InfoPopup
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title="Property Data"
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onClose={() => setShowInfo(false)}
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sourceLink={
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onNavigateToSource
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? {
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label: 'View data source',
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onClick: () => {
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onNavigateToSource('epc');
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setShowInfo(false);
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},
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}
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: undefined
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}
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>
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<p className="text-sm text-warm-700 dark:text-warm-300 mb-4 leading-relaxed">
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Property data combines Energy Performance Certificates (EPC) with HM Land Registry
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Price Paid records, fuzzy-matched by address within each postcode. Includes floor
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area, energy ratings, construction age, and tenure from EPC surveys, plus the most
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recent sale price from the Land Registry.
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</p>
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</InfoPopup>
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)}
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<div className="p-2 border-b border-warm-200 dark:border-navy-700 space-y-2">
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<SearchInput
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value={search}
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onChange={setSearch}
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placeholder="Search by address or postcode..."
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className="p-2"
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/>
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<select
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value={sortBy}
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onChange={(e) => setSortBy(e.target.value as SortBy)}
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className="w-full p-2 border border-warm-300 dark:border-navy-700 rounded text-sm bg-white dark:bg-navy-800 dark:text-warm-200"
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>
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<option value="price">Price (High to Low)</option>
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<option value="size">Size (Large to Small)</option>
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<option value="energy">Energy Rating (Best to Worst)</option>
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</select>
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</div>
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<div className="flex-1 overflow-y-auto">
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{loading && properties.length === 0 ? (
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<div className="p-4 dark:text-warm-400">Loading...</div>
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) : (
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<>
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{filteredAndSorted.map((property, idx) => (
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<PropertyCard key={idx} property={property} />
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))}
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{properties.length < total && (
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<button
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onClick={onLoadMore}
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disabled={loading}
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className="w-full p-4 text-teal-600 dark:text-teal-400 hover:bg-teal-50 dark:hover:bg-teal-900/30 disabled:opacity-50"
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>
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{loading ? 'Loading...' : `Load More (${total - properties.length} remaining)`}
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</button>
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)}
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</>
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)}
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</div>
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</div>
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);
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}
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function PropertyCard({ property }: { property: Property }) {
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const price = getNum(property, 'Last known price', 'latest_price');
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const pricePerSqm = getNum(property, 'Price per sqm', 'price_per_sqm');
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const floorArea = getNum(property, 'Total floor area (sqm)', 'total_floor_area');
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const rooms = getNum(
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property,
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'Rooms (including bedrooms & bathrooms)',
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'number_habitable_rooms'
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);
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const age = getNum(property, 'Approximate construction age', 'construction_age_band');
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const councilTax = getNum(property, 'Council tax (£/yr)');
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const councilTaxD = getNum(property, 'Council tax Band D (£/yr)');
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return (
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<div className="p-4 border-b border-warm-100 dark:border-navy-800 hover:bg-warm-50 dark:hover:bg-navy-800">
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<div className="font-semibold dark:text-warm-100">
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{property.address || 'Unknown Address'}
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</div>
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<div className="text-sm text-warm-600 dark:text-warm-400">{property.postcode}</div>
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{price !== undefined && (
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<div className="mt-2 text-lg font-bold text-teal-700 dark:text-teal-400">
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£{formatNumber(price)}
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{pricePerSqm !== undefined && (
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<span className="text-sm font-normal text-warm-600 dark:text-warm-400">
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{' '}
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(£{formatNumber(pricePerSqm)}/m²)
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</span>
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)}
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</div>
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)}
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<div className="mt-2 grid grid-cols-2 gap-x-4 gap-y-1 text-sm dark:text-warm-300">
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{property.property_type && (
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<div>
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<span className="text-warm-500 dark:text-warm-400">Type:</span> {property.property_type}
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</div>
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)}
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{property.built_form && (
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<div>
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<span className="text-warm-500 dark:text-warm-400">Built form:</span>{' '}
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{property.built_form}
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</div>
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)}
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{property.duration && (
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<div>
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<span className="text-warm-500 dark:text-warm-400">Tenure:</span>{' '}
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{formatDuration(property.duration)}
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</div>
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)}
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{floorArea !== undefined && (
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<div>
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<span className="text-warm-500 dark:text-warm-400">Floor area:</span> {formatNumber(floorArea)}m²
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</div>
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)}
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{rooms !== undefined && (
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<div>
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<span className="text-warm-500 dark:text-warm-400">Rooms:</span> {formatNumber(rooms)}
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</div>
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)}
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{age !== undefined && (
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<div>
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<span className="text-warm-500 dark:text-warm-400">Built:</span>{' '}
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{formatAge(age, property.is_construction_date_approximate ?? true)}
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</div>
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)}
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{property.current_energy_rating && (
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<div>
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<span className="text-warm-500 dark:text-warm-400">EPC rating:</span>{' '}
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{property.current_energy_rating}
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</div>
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)}
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{property.potential_energy_rating && (
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<div>
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<span className="text-warm-500 dark:text-warm-400">EPC potential:</span>{' '}
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{property.potential_energy_rating}
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</div>
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)}
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{councilTax !== undefined ? (
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<div>
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<span className="text-warm-500 dark:text-warm-400">Council tax:</span> £
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{formatNumber(councilTax)}/yr
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</div>
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) : councilTaxD !== undefined ? (
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<div>
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<span className="text-warm-500 dark:text-warm-400">Council tax (D):</span> £
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{formatNumber(councilTaxD)}/yr
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</div>
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) : null}
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</div>
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</div>
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);
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}
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