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WATERTIGHT MECHANICAL LTD: plumbing, heating and air-conditioning company in Dunstable
WATERTIGHT MECHANICAL LTD is an active limited company (no. 12694720), incorporated in 2020, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in LU6 (Dunstable), and 391 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
391 similar companies within 10 km. Dunstable
What homes around LU6 need
In LU6 last summer (2026) there were ≈8 nights that stayed above 18 °C — 6 times the 1991–2020 average of 1.4 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
15% of sampled postcodes in LU6 sit in a conservation area (on-record, 711 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 |
|---|---|---|---|
| GAS BOILER & HEATING LTD | 13504846 | LU6 | ≈0.3 km |
| AWPS MECHANICAL LTD | 07107410 | LU6 | ≈0.6 km |
| BALANCED FLAMES LTD | 16035777 | LU6 | ≈0.6 km |
| PLUMBING & GAS SOLUTIONS BY JOHN LTD | 16457269 | LU6 | ≈0.6 km |
| SILVESTER'S PLUMBING AND HEATING HOME COUNTIES LIMITED | 12914107 | LU6 | ≈0.8 km |
| WB GAS LTD | 12301672 | LU6 | ≈0.8 km |
| D J PIKE PLUMBING & HEATING LTD. | 04441102 | LU6 | ≈0.9 km |
| HEAT COOL TECH LTD | 12446516 | LU5 | ≈1.0 km |
| INNOV8 BATHROOMS AND HEATING LTD | 12335652 | LU6 | ≈1.1 km |
| EFKEY LIMITED | 06544723 | LU6 | ≈1.2 km |
Company record
| Field | Value |
|---|---|
| Company number | 12694720 |
| Name | WATERTIGHT MECHANICAL LTD |
| Status | Active |
| Incorporated | 24 Jun 2020 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | LU6 1FZ |
| Outcode | LU6 |
| 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 12694720 |
Companies House record: WATERTIGHT MECHANICAL LTD, company 12694720, 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.