--- title: "Sponge Sustainability Network LTD — check charity number 1102618 | CharityCompare" description: "Is Sponge Sustainability Network LTD a legitimate UK charity? Check charity number 1102618. Education/training charity based in 16/17 Turl Street. Official Charity Commission record, key facts and how to claim the profile — on CharityCompare." source: https://www.charitycompare.org.uk/charity/sponge-sustainability-network-ltd retrieved: 2026-08-25T07:20:14.728Z license: "Charity data © Crown copyright, Open Government Licence v3.0" --- Quick answer Sponge Sustainability Network LTD is a registered charity (number 1102618) on the Charity Commission for England and Wales register, so it is a legitimate, regulator-overseen organisation. It is registered for: education/training; environment/conservation/heritage. CharityCompare shows its official register record below; a Clarity Score is added automatically once detailed filing history is available. ## What are the key facts about Sponge Sustainability Network LTD? Registered charity number 1102618 Status Registered (active) Charity type Charitable company Location 16/17 Turl Street Website [www.spongenet.org](http://www.spongenet.org/) ## What does Sponge Sustainability Network LTD do? Sponge is for people interested in construction and sustainable development. Sponge offers opportunities to learn through events, site visits, debates, lectures and web-based networking. Sponge brings together members' views on policy issues and promotes these views within the industry.Sponge promotes sustainable development within the built environment. ## What causes is Sponge Sustainability Network LTD registered for? Education/trainingEnvironment/conservation/heritage ## Why is there no Clarity Score for Sponge Sustainability Network LTD yet? The Clarity Score is computed from full financial filing history. Sponge Sustainability Network LTD is on the official register but outside the detailed-filing group we currently score (or awaiting its first filings), so we show its official register record instead of a rating. Its score appears automatically once enough filing data exists — never by payment. [How scoring works](https://www.charitycompare.org.uk/methodology) ## Is this your charity? Claim this profile free to add your own description, correct details, or respond publicly. Optional [partner plans](https://www.charitycompare.org.uk/partners) add your logo, photos, verified badge and supporter features — claiming itself is always free and never changes any score. [Claim this profile — free](https://www.charitycompare.org.uk/claim?charity=sponge-sustainability-network-ltd&type=claim) [Visit charity website](http://www.spongenet.org/) ## Frequently asked questions Is Sponge Sustainability Network LTD a legitimate charity? Yes. Sponge Sustainability Network LTD is a legitimate registered charity (charity number 1102618) regulated by the Charity Commission for England and Wales. You can verify it on the official register. Registration proves status — it is not a Clarity Score or an impact rating. What is Sponge Sustainability Network LTD's charity number? Sponge Sustainability Network LTD's charity number is 1102618. Check that number on the Charity Commission register or this CharityCompare profile before you donate. How do I check charity number 1102618? Search 1102618 on the Charity Commission for England and Wales register or on CharityCompare. Confirm the registered name matches the organisation asking for money — scammers sometimes reuse real charity numbers. What does Sponge Sustainability Network LTD do? Sponge is for people interested in construction and sustainable development. Sponge offers opportunities to learn through events, site visits, debates, lectures and web-based networking. Sponge brings together members' views on policy issues and promotes these views within the industry.Sponge promotes sustainable development within the built environment. Does Sponge Sustainability Network LTD have reviews and complaints? CharityCompare does not host public user reviews for Sponge Sustainability Network LTD. This basic profile confirms registration and register facts. Rated charities also show a filing-based Clarity Score. For formal complaints, contact the Charity Commission for England and Wales or the Fundraising Regulator as appropriate. How can I donate to Sponge Sustainability Network LTD? Sponge Sustainability Network LTD's website is http://www.spongenet.org — donate there directly so the charity receives the full amount. CharityCompare never takes a commission on donations. Source: Charity Commission for England and Wales register extract dated 2026-07-31, used under the [Open Government Licence v3.0](https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/). Always verify current details on the [official register entry](https://register-of-charities.charitycommission.gov.uk/en/charity-search/-/charity-details/1102618).