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S&J ADVISORS LIMITED: plumbing, heating and air-conditioning company in London
S&J ADVISORS LIMITED is an active limited company (no. 17203957), incorporated in 2026, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in N1 (London), and 3,956 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
3,956 similar companies within 10 km. London
What homes around N1 need
In N1 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).
56% of sampled postcodes in N1 sit in a conservation area (on-record, 2,282 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 |
|---|---|---|---|
| PLUMBWISE PLUMBING SERVICES LIMITED | 08253577 | N1 | ≈0.2 km |
| A.A. FIELD MECHANICAL SERVICES LIMITED | 05359799 | N1 | ≈0.3 km |
| O'RIORDAN PROPERTY SERVICES LTD | 11316846 | N1 | ≈0.3 km |
| JP KENNEDY MECHANICAL LIMITED | 10691386 | N1 | ≈0.3 km |
| ANCHOR HEATING & GAS LTD | 17414934 | N1 | ≈0.4 km |
| ASSIST INSTALL MAINTAIN PLUMBING HEATING/DRAINAGE LTD | 16974254 | N1 | ≈0.5 km |
| LA GAS & PLUMBING LTD | 12959132 | N1 | ≈0.5 km |
| EMANI PLUMBING & HEATING LIMITED | 13531721 | N1 | ≈0.6 km |
| TABASH HOMES UK LTD | 11664890 | N1 | ≈0.6 km |
| SAS SERVICE AND MAINTENANCE LIMITED | 12308821 | N1 | ≈0.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 17203957 |
| Name | S&J ADVISORS LIMITED |
| Status | Active |
| Incorporated | 7 May 2026 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | N1 3NN |
| Outcode | N1 |
| 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 17203957 |
Companies House record: S&J ADVISORS LIMITED, company 17203957, 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.