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S O'NEILL PLUMBING AND HEATING LIMITED: plumbing, heating and air-conditioning company in Maidenhead
S O'NEILL PLUMBING AND HEATING LIMITED is an active limited company (no. 09167656), incorporated in 2014, registered for plumbing, heating and air-conditioning installation (SIC 43220), with its registered office in SL6 (Maidenhead), and 316 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
316 similar companies within 10 km. Maidenhead
What homes around SL6 need
In SL6 last summer (2026) there were ≈11 nights that stayed above 18 °C — 8 times the 1991–2020 average of 1.4 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
1% of sampled postcodes in SL6 sit in a conservation area (on-record, 2,312 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 |
|---|---|---|---|
| MAIDENHEAD ENGINEERING LTD | 15984868 | SL6 | under 0.1 km |
| PHIXING PLUMBING AND HVAC SOLUTIONS LIMITED | 13044258 | SL6 | ≈0.4 km |
| KINGS PLUMBING & HEATING LIMITED | 04553090 | SL6 | ≈0.6 km |
| ECO IMPROVEMENT HOMES LTD | 16382505 | SL6 | ≈0.7 km |
| BEXLEY HEATING SERVICES LTD | 07197794 | SL6 | ≈0.7 km |
| P&A BUILDING LTD | 09461213 | SL6 | ≈0.7 km |
| SANA MECHANICAL AND ELECTRICAL LIMITED | 08031056 | SL6 | ≈0.7 km |
| TOB ENVIRONMENTAL LIMITED | 04706160 | SL6 | ≈0.8 km |
| K & L HEATING & BATHROOMS LIMITED | 06307426 | SL6 | ≈0.8 km |
| PROHEAT247 LTD | 13174792 | SL6 | ≈0.8 km |
Company record
| Field | Value |
|---|---|
| Company number | 09167656 |
| Name | S O'NEILL PLUMBING AND HEATING LIMITED |
| Status | Active |
| Incorporated | 8 Aug 2014 |
| SIC | 43220 · plumbing, heat and air-conditioning installation |
| Registered office postcode | SL6 4AA |
| Outcode | SL6 |
| 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 09167656 |
Companies House record: S O'NEILL PLUMBING AND HEATING LIMITED, company 09167656, 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.