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JJW PLUMBING LTD: plumbing, heating and air-conditioning company in Barnet
JJW PLUMBING LTD is an active limited company (no. 11827426), incorporated in 2019, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in EN5 (Barnet), and 1,232 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
1,232 similar companies within 10 km. Barnet
What homes around EN5 need
In EN5 last summer (2026) there were ≈11 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.5 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
9% of sampled postcodes in EN5 sit in a conservation area (on-record, 1,045 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 |
|---|---|---|---|
| HOMELYFE PROPERTY SERVICES LTD | 16422494 | EN5 | under 0.1 km |
| RHINO PLUMBING & HEATING LIMITED | 04595527 | EN5 | ≈0.5 km |
| S.W.PLUMBING & HEATING LIMITED | 05793825 | EN5 | ≈0.5 km |
| HAYDYN HOPE HEATING & PLUMBING LIMITED | 07109380 | EN5 | ≈0.5 km |
| B & F PLUMBING & HEATING LIMITED | 08122027 | EN5 | ≈0.5 km |
| MARK PAYNE PLUMBING & HEATING SPECIALIST LTD | 08713026 | EN5 | ≈0.5 km |
| SMOOTH WATER LIMITED | 09650051 | EN5 | ≈0.5 km |
| GOOD@BOILERS AND PLUMBING LTD | 10449527 | EN5 | ≈0.5 km |
| DOL ENGINEERING SERVICES LIMITED | 12133032 | EN5 | ≈0.5 km |
| JPT VENTILATION LIMITED | 12233262 | EN5 | ≈0.5 km |
Company record
| Field | Value |
|---|---|
| Company number | 11827426 |
| Name | JJW PLUMBING LTD |
| Status | Active |
| Incorporated | 14 Feb 2019 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | EN5 4HL |
| Outcode | EN5 |
| 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 11827426 |
Companies House record: JJW PLUMBING LTD, company 11827426, 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.