Home / Installers / London
KARNAK & ROY LIMITED: plumbing, heating and air-conditioning company in London
KARNAK & ROY LIMITED is an active limited company (no. 12112771), incorporated in 2019, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SE14 (London), and 3,653 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
3,653 similar companies within 10 km. London
What homes around SE14 need
In SE14 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).
33% of sampled postcodes in SE14 sit in a conservation area (on-record, 419 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 |
|---|---|---|---|
| HVAC MECHANICAL ENGINEERING LIMITED | 12190629 | SE14 | ≈0.3 km |
| ASTBURY-WRIGHT ENERGY LTD | 16961080 | SE8 | ≈0.4 km |
| I NEED A PLUMBER LTD | 05050241 | SE14 | ≈0.5 km |
| JANUS FIX LTD | 16995786 | SE14 | ≈0.5 km |
| M WHITE MECHANICAL LTD | 10671317 | SE14 | ≈0.6 km |
| OMDR UK LONDON LTD | 16973243 | SE14 | ≈0.7 km |
| EARL PLUMBING LIMITED | 11699668 | SE8 | ≈0.8 km |
| RSVM LIMITED | 16603109 | SE14 | ≈0.8 km |
| AD CAMPBELL LTD. | 14966163 | SE14 | ≈0.8 km |
| WILZ & CO. LTD | 14557318 | SE15 | ≈0.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 12112771 |
| Name | KARNAK & ROY LIMITED |
| Status | Active |
| Incorporated | 19 Jul 2019 |
| SIC | 43220 · plumbing, heat and air-conditioning installation; 43999 |
| Registered office postcode | SE14 5XF |
| Outcode | SE14 |
| 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 12112771 |
Companies House record: KARNAK & ROY LIMITED, company 12112771, 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.