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HUMMER AND CO LTD: plumbing, heating and air-conditioning company in London

HUMMER AND CO LTD is an active limited company (no. 17362789), incorporated in 2026, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in E2 (London), and 3,837 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

3,837 similar companies within 10 km. London

What homes around E2 need

In E2 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).

35% of sampled postcodes in E2 sit in a conservation area (on-record, 972 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

Other SIC 43220 companies. Distance is registered office to registered office, equirectangular, to 0.1 km.
CompanyNumberDistrictDistance
PURE GREEN ENERGY & HEATING LTD 16926170 E2 ≈0.2 km
NOVA OS LTD 15981207 E2 ≈0.3 km
HQK (LONDON) LTD 16570962 E2 ≈0.3 km
TOMALEY PLUMBING LIMITED 16299097 E2 ≈0.3 km
RETRO RENEWABLES LTD 14017380 E2 ≈0.4 km
SK RENEWABLES AND HEATING LTD 17140002 E2 ≈0.4 km
CAVALLI HEATING LIMITED 15631325 E2 ≈0.4 km
MAMOSS GROUP LIMITED 16372778 E2 ≈0.4 km
BLUELINE PLUMBING SOLUTIONS LIMITED 16612650 E2 ≈0.4 km
EMCORE LIMITED 06040495 E2 ≈0.4 km

Company record

Companies House fields on this page.
FieldValue
Company number 17362789
Name HUMMER AND CO LTD
Status Active
Incorporated 27 Jul 2026
SIC 43220 · plumbing, heat and air-conditioning installation; 43210 · electrical installation; 43390
Registered office postcode E2 7QH
Outcode E2
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 17362789

Companies House record: HUMMER AND CO LTD, company 17362789, 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.

Report an error in these figures