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SARISA S1 LIMITED: plumbing, heating and air-conditioning company in London
SARISA S1 LIMITED is an active limited company (no. 15899259), incorporated in 2024, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in EC4A (London), and 3,652 similar companies have a registered office within 10 km. If you need an MCS-certified air-to-air installer, MCS lists 0 installers certified for air-to-air heat pumps yet (checked 25 Sep 2026), so no company here can offer the £2,500 grant route today.
Active
Within 10 km
3,652 similar companies within 10 km. London
What homes around EC4A need
In EC4A last summer (2026) there were ≈10 nights that stayed above 18 °C — 5 times the 1991–2020 average of 1.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
49% of sampled postcodes in EC4A sit in a conservation area (on-record, 110 live postcodes).
In England an air-source heat pump on a house can be permitted development under Class G when the conditions hold, including the MCS 020a noise limit of 37.0 dB(A) (§3.2 Step 8).
Hot nights: ERA5-ARCO, June–August, minimum at or above 18 °C, 2026 against the 1991–2020 mean, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points, snapshot 25 Sep 2026. Noise limit from the decision contract, checked 25 Sep 2026.
Nearest similar companies
| Company | Number | District | Distance |
|---|---|---|---|
| CLIMATE INNOVATIONS LTD | 15332194 | EC1N | ≈0.1 km |
| COMFORT CONTROLS LTD. | 03513003 | EC4A | ≈0.1 km |
| COMFORT CONTROLS (MIDLANDS) LIMITED | 10088418 | EC4A | ≈0.1 km |
| COMFORT CONTROLS (SERVICE) LIMITED | 11734778 | EC4A | ≈0.1 km |
| COMFORT CONTROLS (GROUP) LIMITED | 11735309 | EC4A | ≈0.1 km |
| SOUTH FLOW PLUMBING & HEATING LIMITED | 16421791 | EC4A | ≈0.1 km |
| RAINE OR SHINE ALTERNATIVE ENERGY SOLUTIONS LIMITED | 06369856 | WC2A | ≈0.2 km |
| INTEGRITY PLUMBING & HEATING LTD | 12245226 | WC2A | ≈0.2 km |
| S&G HEATING SOLUTIONS LTD | 12825118 | WC2A | ≈0.2 km |
| A AND A PLUMBING SOLUTIONS LTD | 13605336 | WC2A | ≈0.2 km |
Company record
| Field | Value |
|---|---|
| Company number | 15899259 |
| Name | SARISA S1 LIMITED |
| Status | Active |
| Incorporated | 15 Aug 2024 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 26110; 27120; 32990 |
| Registered office postcode | EC4A 1EN |
| Outcode | EC4A |
| Nation | England |
| Air-to-air signal | not yet observed, checked 25 Sep 2026 |
| F-Gas | not yet observed, checked 25 Sep 2026 |
| MCS air-to-air | not yet observed, checked 25 Sep 2026 |
| Retrieved | 25 Sep 2026 |
| Dataset | https://download.companieshouse.gov.uk/BasicCompanyDataAsOneFile-2026-09-01.zip |
| Companies House page | Company 15899259 |
Companies House record: SARISA S1 LIMITED, company 15899259, status Active, retrieved 25 Sep 2026. The address shown is the registered office, not a verified operating base. This catalogue is a directory of incorporated businesses, not an exhaustive installer register. Snapshot 1 Sep 2026, retrieved 25 Sep 2026. The 10 km count is equirectangular to 0.1 km. MCS air-to-air confirmed in this catalogue: 0, checked 25 Sep 2026.
Better than a reviews catalogue: the Companies House record, the district hot-night count and the MCS air-to-air observation are on one page.