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KNIGHT INSTALLATION SERVICES LIMITED: plumbing, heating and air-conditioning company in Harlow
KNIGHT INSTALLATION SERVICES LIMITED is an active limited company (no. 10688349), incorporated in 2017, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in CM17 (Harlow), and 247 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
247 similar companies within 10 km. Harlow
What homes around CM17 need
In CM17 last summer (2026) there were ≈11 nights that stayed above 18 °C — 6 times the 1991–2020 average of 1.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
12% of sampled postcodes in CM17 sit in a conservation area (on-record, 529 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 |
|---|---|---|---|
| STJ MECHANICAL LIMITED | 10785425 | CM17 | ≈0.3 km |
| BP PLUMBING LTD | 16014099 | CM17 | ≈0.5 km |
| SJH BATHROOM ADAPTATIONS LTD | 10749212 | CM17 | ≈0.5 km |
| S & R PLUMBERS LTD | 15643852 | CM17 | ≈0.6 km |
| NDS HEATING LIMITED | 15444109 | CM17 | ≈0.6 km |
| LANGLEY SERVICES GROUP LTD | 12427242 | CM17 | ≈0.6 km |
| ELITE HEAT PLUMBING LTD | 15404909 | CM17 | ≈0.7 km |
| MEDIPLUMB LTD | 17218897 | CM17 | ≈0.8 km |
| DODA UTILITIES LTD | 16985187 | CM17 | ≈0.8 km |
| G.B. AIR LIMITED | 11303963 | CM18 | ≈1.0 km |
Company record
| Field | Value |
|---|---|
| Company number | 10688349 |
| Name | KNIGHT INSTALLATION SERVICES LIMITED |
| Status | Active |
| Incorporated | 23 Mar 2017 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | CM17 9DQ |
| Outcode | CM17 |
| 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 10688349 |
Companies House record: KNIGHT INSTALLATION SERVICES LIMITED, company 10688349, 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.