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WATERTIGHT PIPEWORK LIMITED: plumbing, heating and air-conditioning company in Portsmouth
WATERTIGHT PIPEWORK LIMITED is an active limited company (no. 04167610), incorporated in 2001, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in PO6 (Portsmouth), and 594 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
594 similar companies within 10 km. Portsmouth
What homes around PO6 need
In PO6 last summer (2026) there were ≈27 nights that stayed above 18 °C — 9 times the 1991–2020 average of 2.9 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
0% of sampled postcodes in PO6 sit in a conservation area (on-record, 916 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 |
|---|---|---|---|
| HAVANT BUILDING SERVICES LTD | 05182899 | PO6 | under 0.1 km |
| ALL ABOUT GAS, HEATING AND PLUMBING SERVICES LIMITED | 06304205 | PO6 | under 0.1 km |
| H B PLUMBING & HEATING (SOUTH) LTD | 06440821 | PO6 | under 0.1 km |
| A RATED BOILERS LIMITED | 07442717 | PO6 | under 0.1 km |
| MARK KENNETT PLUMBING & HEATING LTD | 08316484 | PO6 | under 0.1 km |
| SOLENT GAS LIMITED | 08913319 | PO6 | under 0.1 km |
| D & T BATHROOMS LTD | 09125627 | PO6 | under 0.1 km |
| PRESTIGE PLUMBING (HAVANT) LTD | 09155176 | PO6 | under 0.1 km |
| PG MECHANICAL DESIGN LTD | 11019280 | PO6 | under 0.1 km |
| GAS-FLOW SOLUTIONS LTD | 15956265 | PO6 | under 0.1 km |
Company record
| Field | Value |
|---|---|
| Company number | 04167610 |
| Name | WATERTIGHT PIPEWORK LIMITED |
| Status | Active |
| Incorporated | 23 Feb 2001 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | PO6 3TD |
| Outcode | PO6 |
| 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 04167610 |
Companies House record: WATERTIGHT PIPEWORK LIMITED, company 04167610, 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.