Home / Installers / Waltham Cross
OPTIMAL PLUMBING LIMITED: plumbing, heating and air-conditioning company in Waltham Cross
OPTIMAL PLUMBING LIMITED is an active limited company (no. 17309584), incorporated in 2026, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in EN8 (Waltham Cross), and 689 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
689 similar companies within 10 km. Waltham Cross
What homes around EN8 need
In EN8 last summer (2026) there were ≈11 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.6 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
2% of sampled postcodes in EN8 sit in a conservation area (on-record, 912 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 |
|---|---|---|---|
| DEMA PLUMBING & HEATING LIMITED | 16028667 | EN7 | ≈0.3 km |
| NOVUM PROPERTY SERVICES LTD | 13728329 | EN8 | ≈0.3 km |
| HEAT GO LTD | 10447853 | EN8 | ≈0.5 km |
| COUPLING LONDON LTD | 12569695 | EN8 | ≈0.5 km |
| AP RENEWABLE LTD | 16947819 | EN7 | ≈0.5 km |
| ET PLUMBING & HEATING LTD | 12357616 | EN8 | ≈0.5 km |
| S.FERRY HEATING & PLUMBING LTD | 16302154 | EN7 | ≈0.5 km |
| PLUMB AND DRAIN COMPANY LTD | 16062980 | EN8 | ≈0.6 km |
| FULL REFURB LIMITED | 09930559 | EN8 | ≈0.7 km |
| B-LINE PLUMBING & HEATING LTD | 08081526 | EN7 | ≈0.7 km |
Company record
| Field | Value |
|---|---|
| Company number | 17309584 |
| Name | OPTIMAL PLUMBING LIMITED |
| Status | Active |
| Incorporated | 30 Jun 2026 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | EN8 0QY |
| Outcode | EN8 |
| 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 17309584 |
Companies House record: OPTIMAL PLUMBING LIMITED, company 17309584, 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.