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@Virginia-Girtz To avoid duplicate content issues when creating a new landing page that is similar to an old one, consider the following strategies:

1. 301 Redirect: If the old landing page is no longer needed, you can redirect its URL to the new landing page using a 301 redirect. This tells search engines that the old page has permanently moved to the new location.

2. Canonical Tags: Implement canonical tags on the new landing page pointing to the old landing page URL. This informs search engines that the content on the new page is a duplicate of the old page and should be indexed under the old page's URL.

3. Content Variation: Rewrite the content on the new landing page to make it sufficiently different from the old one. This could involve changing the wording, adding new information, or altering the layout.

4. Noindex Tag: If the old landing page is still relevant but you want to prioritize the new one, you can use a noindex tag on the old page. This prevents search engines from indexing the old page while still allowing users to access it.

5. Consolidate Content: Consider consolidating the content from both landing pages into a single, comprehensive page. This helps avoid duplication and can improve user experience by providing all relevant information in one place.

6. Robots.txt: Use the robots.txt file to block search engines from crawling one of the landing pages. However, this approach should be used cautiously as it may also prevent search engines from discovering other valuable content on your site.
   I apply all these experiment on this of my client site
   By implementing one or a combination of these strategies, you can effectively address duplicate content concerns while maintaining the visibility and relevance of your landing pages.

So what you want for every page and blog post on your website is unique, high-quality white hat content marketing.

We applied this white hat SEO method to a U.K garden room company, website and after we rewrote the pages, the organic visitor numbers increased.

What I've usually seen with canonicals is that Google either removes the noncanonical page from its index, or it ignores your canonical and treats them as two separate pages. I haven't seen an example where a canonical lets you get the best of both worlds.

I agree with Nozzle - you can tweak your existing content to target both phrases! Google understands synonyms, so if anything, you're just creating a more all around relevant page.

Good luck!

Kristina

Since it is effectively the same content you should be able to rank the same page for both phrases.

You just need to include the new keyword within the existing content and test out a few title tag variations to find one that helps you move up the rankings for the new keyword without dropping your ranking for the old keyword.

The first thing I'd test would be to change your title tag from "Can I put a solid roof on my conservatory?" to "Replacing Conservatory Roof with Solid Roof - Can I put a solid roof on my conservatory?". Wait until Google re-crawls the page and check how your rankings fared. If you lose your snippet or drop in rankings for the low volume phrase you can always test out the reverse, "Can I put a solid roof on my conservatory? Replacing Conservatory Roof with Solid Roof", and see what happens then.

Don't be scared to test many variations, even long title tags that seemingly don't follow best practice. You can always change it back to the original and your rankings will go back to what they were before you tested (assuming your competitors didn't gain some awesome back links to overtake you).

Don't mess with the section of content that is being pulled into the featured snippet though so as not to lose that snippet.