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JK MECHANICAL LTD: plumbing, heating and air-conditioning company in Sheffield
JK MECHANICAL LTD is an active limited company (no. 11896316), incorporated in 2019, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in S21 (Sheffield), and 256 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
256 similar companies within 10 km. Sheffield
What homes around S21 need
In S21 last summer (2026) there were ≈5 nights that stayed above 18 °C — 10 times the 1991–2020 average of 0.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
11% of sampled postcodes in S21 sit in a conservation area (on-record, 467 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 |
|---|---|---|---|
| ENVIRONMENTAL COOLING & HEATING LIMITED | 16286718 | S21 | under 0.1 km |
| RMK COOLING SYSTEMS LIMITED | 17239696 | S21 | ≈0.1 km |
| LOWE PROPERTY SERVICES LIMITED | 04657262 | S21 | ≈0.8 km |
| AQUA GAS SERVICES LTD | 11513810 | S21 | ≈0.8 km |
| C. GREAVES PLUMBING AND HEATING LTD | 14822462 | S20 | ≈1.4 km |
| SOUTH YORKSHIRE BATHROOM DESIGN LIMITED | 07477389 | S21 | ≈1.5 km |
| STRAFFORD & KENT LIMITED | 05590202 | S20 | ≈1.6 km |
| THE GASMAN PLUMBING AND HEATING LTD | 14144543 | S20 | ≈1.6 km |
| TLC FLOORING SERVICES LTD | 17217554 | S20 | ≈1.6 km |
| FIRST 4 SUPPLIES LIMITED | 04256019 | S21 | ≈1.6 km |
Company record
| Field | Value |
|---|---|
| Company number | 11896316 |
| Name | JK MECHANICAL LTD |
| Status | Active |
| Incorporated | 21 Mar 2019 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | S21 4HL |
| Outcode | S21 |
| 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 11896316 |
Companies House record: JK MECHANICAL LTD, company 11896316, 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.