Home / Installers / Leeds
MAYFLY HYDRONICS LTD: plumbing, heating and air-conditioning company in Leeds
MAYFLY HYDRONICS LTD is an active limited company (no. 12881716), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in LS12 (Leeds), and 644 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
644 similar companies within 10 km. Leeds
What homes around LS12 need
In LS12 last summer (2026) there were ≈3 nights that stayed above 18 °C — 8 times the 1991–2020 average of 0.4 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
6% of sampled postcodes in LS12 sit in a conservation area (on-record, 1,229 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 |
|---|---|---|---|
| EJM HEATING SOLUTIONS LTD | 14316952 | LS12 | ≈0.1 km |
| LOCAL GAS SERVICES LTD | 11217903 | LS12 | ≈0.3 km |
| LOCALHEATPUMPSERVICES LTD | 15466080 | LS12 | ≈0.3 km |
| JA GAS LTD | 06952956 | LS12 | ≈0.3 km |
| BI CALCULATOR LTD | 09171226 | LS13 | ≈0.5 km |
| LEEDS ECO HEAT LTD | 16286825 | LS13 | ≈0.6 km |
| A TECH INSTALLS LTD | 09677386 | LS13 | ≈1.1 km |
| T-LEK ELECTRICAL LTD | 15002539 | LS13 | ≈1.1 km |
| FIRST TIME FIX YORKSHIRE LIMITED | 16586575 | LS13 | ≈1.1 km |
| SHAUN WATSON PLUMBING LIMITED | 13912109 | LS12 | ≈1.1 km |
Company record
| Field | Value |
|---|---|
| Company number | 12881716 |
| Name | MAYFLY HYDRONICS LTD |
| Status | Active |
| Incorporated | 15 Sep 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43210 · electrical installation; 43999 |
| Registered office postcode | LS12 5NB |
| Outcode | LS12 |
| 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 12881716 |
Companies House record: MAYFLY HYDRONICS LTD, company 12881716, 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.