# Event Details

- **Event Name**: Open House 2026
- **Event Start and End Date**: Sat, 19 Sep, 2026 at 10:00 am – Sun, 20 Sep, 2026 at 05:00 pm (+01:00)
- **Event Description**: Explore the history and architectural highlights of Carlton House Terrace, the home of the UK's national academy of science.

On 19 and 20 September 2026, Open House Festival, the largest annual festival of architecture and design, returns to the Royal Society. Over the weekend, visitors are invited to discover the secrets of the Grade 1 listed Nash-designed town houses that are currently home to the oldest scientific academy in continuous existence.

We are open on a drop-in basis both Saturday 19 and Sunday 20 September from 10am - 5pm, with last entry at 4.30pm.

Join one of our free guided tours or explore at your own pace with our self-guided tour, available to collect on the day. Please note that places are limited for our free guided tours, with tickets available on a walk-up basis.

You can find more information on our website: https://royalsociety.org/science-events-and-lectures/2026/09/open-house/
- **Event URL**: https://allevents.in/london/open-house-2026/200030637268154
- **Event Categories**: festivals, science-fair
- **Interested Audience**: 
  - total_interested_count: 108

## Ticket Details


## Event venue details

- **city**: London
- **state**: EN
- **country**: United Kingdom
- **location**: 6-9 Carlton House Terrace, SW1Y5 London, United Kingdom
- **lat**: 51.50594
- **long**: -0.13241
- **full address**: 6-9 Carlton House Terrace, SW1Y5 London, United Kingdom, 6 Carlton House Terrace, London, SW1Y 5AG, United Kingdom

## Event gallery

- **Alt text**: Open House 2026
  - **Image URL**: https://cdn-az.allevents.in/events2/banners/92f6f8c002f8bc33c605f302e8913c4c89545f4e4b883dab2719048651831409-rimg-w1200-h600-dc283848-gmir?v=1788188934

## FAQs

- **Q**: When and where is Open House 2026 being held?
  - **A:** Open House 2026 takes place on Sat, 19 Sep, 2026 at 10:00 am to Sun, 20 Sep, 2026 at 05:00 pm at 6-9 Carlton House Terrace, SW1Y5 London, United Kingdom, 6 Carlton House Terrace, London, SW1Y 5AG, United Kingdom.
- **Q**: Who is organizing Open House 2026?
  - **A:** Open House 2026 is organized by The Royal Society.
- **Q**: Who is this event for? Is it right for me?
  - **A:** Open House 2026 is ideal for festival lovers, culture enthusiasts, and anyone looking for a vibrant, immersive community experience. Whether you're a first-time attendee or a longtime enthusiast in London, this event is thoughtfully curated to deliver a standout experience worth every moment. With 100+ people already showing interest, this is clearly an event worth adding to your calendar - don't miss out.

## Structured Data (JSON-LD)

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        "name": "Open House 2026",
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        "startDate": "2026-09-19T10:00:00+01:00",
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        "description": "Explore the history and architectural highlights of Carlton House Terrace, the home of the UK's national academy of science.\n\nOn 19 and 20 September 2026, Open House Festival, the largest annual festival of architecture and design, returns to the Royal Society. Over the weekend, visitors are invited",
        "organizer": [
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                "name": "The Royal Society",
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