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SIMON GRIFFITHS PLUMBING AND HEATING LIMITED: plumbing, heating and air-conditioning company in Southampton
SIMON GRIFFITHS PLUMBING AND HEATING LIMITED is an active limited company (no. 16796423), incorporated in 2025, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SO31 (Southampton), and 347 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
347 similar companies within 10 km. Southampton
What homes around SO31 need
In SO31 last summer (2026) there were ≈19 nights that stayed above 18 °C — 7 times the 1991–2020 average of 2.7 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
4% of sampled postcodes in SO31 sit in a conservation area (on-record, 1,187 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 |
|---|---|---|---|
| ABC HEATPUMPS LIMITED | 11397058 | SO31 | ≈0.5 km |
| A & D PLUMBING AND HEATING (HAMPSHIRE) LIMITED | 14008460 | SO31 | ≈0.5 km |
| STEVE MARTIN GAS BOILER SPECIALIST LTD | 16174005 | SO31 | ≈0.5 km |
| QUADRANT PLUMBING SOLUTIONS LTD | 17093959 | PO14 | ≈0.5 km |
| JOSHUA HAYNES HEATING & PLUMBING SERVICES LIMITED | 14033858 | PO14 | ≈0.6 km |
| AIR CARE SERVICES (FAREHAM) LIMITED | 06284705 | PO14 | ≈0.7 km |
| A LIST KITCHENS AND BATHROOMS LIMITED | 10840786 | PO14 | ≈0.7 km |
| BMG BATHROOMS AND PLUMBING SERVICES LIMITED | 08929420 | SO31 | ≈0.9 km |
| GLOWELL GAS & HEATING LIMITED | 16514823 | SO31 | ≈0.9 km |
| ASHLEY & GREEN LIMITED | 08750519 | SO31 | ≈1.0 km |
Company record
| Field | Value |
|---|---|
| Company number | 16796423 |
| Name | SIMON GRIFFITHS PLUMBING AND HEATING LIMITED |
| Status | Active |
| Incorporated | 20 Oct 2025 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SO31 6TU |
| Outcode | SO31 |
| 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 16796423 |
Companies House record: SIMON GRIFFITHS PLUMBING AND HEATING LIMITED, company 16796423, 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.