diff --git a/frontend/src/components/map/LocationSearch.test.tsx b/frontend/src/components/map/LocationSearch.test.tsx
index 5a66b7b..7bea049 100644
--- a/frontend/src/components/map/LocationSearch.test.tsx
+++ b/frontend/src/components/map/LocationSearch.test.tsx
@@ -397,7 +397,7 @@ describe('LocationSearch', () => {
     });
   });
 
-  it('keeps only the three most recent local searches', async () => {
+  it('keeps only the ten most recent local searches', async () => {
     vi.stubGlobal(
       'fetch',
       vi.fn((input: string | URL | Request) => {
@@ -416,8 +416,22 @@ describe('LocationSearch', () => {
 
     render(<LocationSearch onFlyTo={vi.fn()} onLocationSearched={vi.fn()} />);
 
+    // Search eleven distinct postcodes; only the ten most recent should be kept.
+    const postcodes = [
+      'SW1A 1AA',
+      'E14 2DG',
+      'W1A 1AA',
+      'EC1A 1BB',
+      'N1 1AA',
+      'M1 1AE',
+      'B33 8TH',
+      'CR2 6XH',
+      'DN55 1PT',
+      'L1 8JQ',
+      'G1 1AA',
+    ];
     const input = screen.getByRole('textbox');
-    for (const postcode of ['SW1A 1AA', 'E14 2DG', 'W1A 1AA', 'EC1A 1BB']) {
+    for (const postcode of postcodes) {
       fireEvent.change(input, { target: { value: postcode } });
       fireEvent.keyDown(input, { key: 'Enter' });
 
@@ -432,13 +446,13 @@ describe('LocationSearch', () => {
     const stored = JSON.parse(window.localStorage.getItem(RECENT_SEARCHES_STORAGE_KEY) ?? '[]') as {
       label?: string;
     }[];
-    expect(stored.map((search) => search.label)).toEqual(['EC1A 1BB', 'W1A 1AA', 'E14 2DG']);
+    // Most recent first, oldest ('SW1A 1AA') dropped past the limit of ten.
+    expect(stored.map((search) => search.label)).toEqual([...postcodes].reverse().slice(0, 10));
 
     fireEvent.focus(input);
 
     await waitFor(() => {
-      expect(screen.getByRole('button', { name: 'EC1A 1BB' })).toBeTruthy();
-      expect(screen.getByRole('button', { name: 'W1A 1AA' })).toBeTruthy();
+      expect(screen.getByRole('button', { name: 'G1 1AA' })).toBeTruthy();
       expect(screen.getByRole('button', { name: 'E14 2DG' })).toBeTruthy();
     });
     expect(screen.queryByText('SW1A 1AA')).toBeNull();
diff --git a/server-rs/src/routes/actual_listings.rs b/server-rs/src/routes/actual_listings.rs
index 4bd3629..645abcc 100644
--- a/server-rs/src/routes/actual_listings.rs
+++ b/server-rs/src/routes/actual_listings.rs
@@ -45,6 +45,10 @@ const KEEP_UNKNOWN_LISTING_FILTER_FEATURES: &[&str] = &[
     "Leasehold/Freehold",
     "Number of bedrooms & living rooms",
     "Property type",
+    "Construction year",
+    "Interior height (m)",
+    "Current energy rating",
+    "Potential energy rating"
 ];
 const LISTING_BOUNDS_EPSILON_DEGREES: f64 = 0.00001;