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NN3: plumbing, heating and air-conditioning companies in Northampton
NN3 (Northampton) has 51 plumbing, heating and air-conditioning companies registered here (SIC 43220) and 107 electrical and other installation companies (Companies House, 1 Sep 2026); 0 are MCS-certified for air-to-air yet. If the summer is the question, NN3 had ≈8 nights above 18 °C in 2026 (7 times the 1991–2020 average of 1.1).
NN3
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999 PLUMBING HEATING AND DRAINAGE LTD, incorporated 2021, status Liquidation.
Plumbing, heating and air-conditioning companies
Electrical and other installation companies
| Company | SIC | Incorporated | Status | District |
|---|---|---|---|---|
| A. GARRETT ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2017 | Active | NN3 |
| A.D.A DISTRIBUTION LTD | 43210 · electrical installation; 49410 | 2020 | Active | NN3 |
| A.J. BLOCK PAVING CONTRACTORS LIMITED | 43290 · other construction installation | 1987 | Active | NN3 |
| ACCELERATING LTD | 43290 · other construction installation; 33190; 35300; 47910 | 2021 | Active | NN3 |
| AGA DEVELOPMENT LTD | 43290 · other construction installation; 43999 | 2023 | Active | NN3 |
| AKARI ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active - Proposal to Strike off | NN3 |
| ALEX C. ELECTRICAL LTD | 43210 · electrical installation | 2023 | Active | NN3 |
| ANDY GROUP LIMITED | 43290 · other construction installation | 2016 | Active | NN3 |
| APEX DUCTWORK & VENTILATION LTD | 43290 · other construction installation; 43999 | 2026 | Active | NN3 |
| ARBOURS ELECTRICAL LIMITED | 43210 · electrical installation | 2018 | Liquidation | NN3 |
| ATUA SOLUTIONS LIMITED | 43290 · other construction installation | 2025 | Active | NN3 |
| BILLING BOILERS LTD | 43210 · electrical installation | 2023 | Active | NN3 |
| BV TILING LTD | 43290 · other construction installation; 23320; 41201; 41202 | 2022 | Active | NN3 |
| BWS ELECTRICAL SERVICES LTD | 43210 · electrical installation; 43290 · other construction installation | 2024 | Active | NN3 |
| C&C ELECTRICAL LTD | 43210 · electrical installation | 2025 | Active | NN3 |
| CAT KITCHENS LTD | 43290 · other construction installation; 43999 | 2023 | Active | NN3 |
| CRR ELECTRICAL INSTALLATIONS LTD | 43210 · electrical installation | 2026 | Active | NN3 |
| D&S BUILD SERVICES LTD | 43290 · other construction installation; 41202 | 2024 | Active | NN3 |
| D.C.HORN ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2023 | Active | NN3 |
| DAVE PEARCE ELECTRICAL SOLUTIONS LIMITED | 43210 · electrical installation | 2014 | Active | NN3 |
| DCL FIRESTOPPING LTD | 43290 · other construction installation | 2025 | Active | NN3 |
| DEIZ ELECTRICAL LTD | 43210 · electrical installation | 2023 | Active - Proposal to Strike off | NN3 |
| DRYLINE PRO NV LTD | 43290 · other construction installation; 41201; 43390; 43999 | 2026 | Active | NN3 |
| DRYWALL CONTRACTS LTD | 43290 · other construction installation | 2014 | Active | NN3 |
| DSB ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | NN3 |
| EASON ELECTRICAL LIMITED | 43210 · electrical installation | 2013 | Active | NN3 |
| EDDIE LIFTS LTD | 43290 · other construction installation; 41201; 41202 | 2022 | Active | NN3 |
| EDEN SOLAR AND EV LTD | 43290 · other construction installation | 2022 | Active | NN3 |
| ENERGY ELECTRICAL CONTRACTING LIMITED | 43210 · electrical installation | 2008 | Active | NN3 |
| EQUITECH ELECTRICAL SOLUTIONS LIMITED | 43210 · electrical installation | 2022 | Active | NN3 |
| ET BUILDING LIMITED | 43290 · other construction installation | 2016 | Active | NN3 |
| EVOLVE ELECTRICAL INSTALLATIONS LTD | 43210 · electrical installation | 2019 | Active | NN3 |
| EXCELSERVE ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2021 | Active | NN3 |
| EXZ LTD | 43290 · other construction installation; 41202; 43999 | 2026 | Active | NN3 |
| FLOD AMP ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2026 | Active | NN3 |
| FLOREA DRYLINING LTD | 43290 · other construction installation | 2025 | Active | NN3 |
| FLY ELECTRICAL LTD | 43210 · electrical installation | 2022 | Active - Proposal to Strike off | NN3 |
| G C STONEWORK LTD | 43290 · other construction installation | 2018 | Active | NN3 |
| GA CONSTRUCT LTD | 43290 · other construction installation; 43999 | 2025 | Active - Proposal to Strike off | NN3 |
| H A BUILDING SERVICES LTD | 43290 · other construction installation; 41202 | 2025 | Active | NN3 |
| HC&L SERVICES LTD | 43290 · other construction installation; 43320; 53202 | 2018 | Active - Proposal to Strike off | NN3 |
| HIGHTEC ROOFLINE LIMITED | 43210 · electrical installation; 43910; 43999 | 2007 | Active | NN3 |
| J.P.W. LIMITED | 43290 · other construction installation; 25110 | 1999 | Active | NN3 |
| J9 ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2024 | Active | NN3 |
| JCS SPARKS LIMITED | 43210 · electrical installation | 2015 | Active | NN3 |
| JDR INSTALLATIONS LTD | 43290 · other construction installation | 2017 | Active - Proposal to Strike off | NN3 |
| JENKINS SIGN INSTALLATIONS LIMITED | 43210 · electrical installation | 2018 | Active - Proposal to Strike off | NN3 |
| JOB DONE ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2014 | Active | NN3 |
| JRI SERVICES LTD | 43290 · other construction installation; 49410 | 2017 | Active | NN3 |
| JRP ELECTRICAL LTD | 43210 · electrical installation | 2023 | Active | NN3 |
| JUNIPER LIVING LIMITED | 43290 · other construction installation | 2017 | Active | NN3 |
| KRIS ELECTRICAL LIMITED | 43210 · electrical installation | 2020 | Active | NN3 |
| LA CAN CONSTRUCTION LTD | 43290 · other construction installation; 41202; 81300 | 2024 | Active | NN3 |
| LEX CONSTRUCTION LTD | 43290 · other construction installation; 43320; 43341; 43390 | 2025 | Active | NN3 |
| LIBRA 001 LIMITED | 43210 · electrical installation | 2013 | Active - Proposal to Strike off | NN3 |
| LUC DESIGN LIMITED | 43290 · other construction installation; 41202; 43320; 43341 | 2022 | Active | NN3 |
| LUCENTIS ELECTRICAL LTD | 43210 · electrical installation | 2026 | Active | NN3 |
| M HOME RENOVATIONS LTD | 43290 · other construction installation; 41202 | 2019 | Active | NN3 |
| M J LAW ELECTRICAL LIMITED | 43210 · electrical installation | 2016 | Active | NN3 |
| MAGSON LTD | 43290 · other construction installation | 2018 | Active - Proposal to Strike off | NN3 |
| MARKANTO DESIGN AND BUILD LTD | 43290 · other construction installation; 41100; 43320; 43390 | 2021 | Active | NN3 |
| MARLA FIRE LTD | 43210 · electrical installation | 2017 | Active | NN3 |
| MASTERCLADDING LTD | 43290 · other construction installation | 2026 | Active | NN3 |
| MB PRO ELECTRICAL LIMITED | 43210 · electrical installation | 2025 | Active | NN3 |
| MICK AND SONS CONSTRUCT LIMITED | 43290 · other construction installation | 2021 | Active | NN3 |
| MIDLANDS ELECTRICAL LTD | 43210 · electrical installation | 2012 | Active | NN3 |
| MILLER ELECTRICAL SOLUTIONS LIMITED | 43210 · electrical installation | 2013 | Active | NN3 |
| MOOR ELECTRICAL SERVICES LTD | 43210 · electrical installation; 68209 | 2024 | Active | NN3 |
| MP FIREWALL LIMITED | 43290 · other construction installation | 2019 | Active | NN3 |
| MPB TILING LTD | 43290 · other construction installation; 41202; 43390; 43999 | 2021 | Active | NN3 |
| NATIONAL NETTING LIMITED | 43290 · other construction installation; 43999 | 2022 | Active | NN3 |
| NDC ELECTRICAL LTD | 43210 · electrical installation | 2020 | Liquidation | NN3 |
| NENE DATA AND ELECTRICAL LIMITED | 43210 · electrical installation; 61100; 61200 | 2011 | Active | NN3 |
| NME ELECTRICAL SERVICES LIMITED | 43210 · electrical installation | 2001 | Active | NN3 |
| NORTHAMPTON ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2006 | Active | NN3 |
| NORTHAMPTON ELECTRICIANS LTD | 43210 · electrical installation | 2024 | Active | NN3 |
| NORTHANTS ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2008 | Active | NN3 |
| NORTHANTS HOME IMPROVEMENTS LTD | 43290 · other construction installation; 43342 | 2025 | Active | NN3 |
| OAKWOOD ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2015 | Active | NN3 |
| OLIVER'S HIRE SOLUTIONS LTD | 43290 · other construction installation; 46690; 77320 | 2022 | Active | NN3 |
| ON-LOAD SYSTEMS LIMITED | 43210 · electrical installation | 2010 | Active | NN3 |
| PING SECURITY LIMITED | 43210 · electrical installation | 2019 | Active - Proposal to Strike off | NN3 |
| PULSE SPARK ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | NN3 |
| R LUCK ELECTRICAL SERVICES LTD | 43210 · electrical installation | 2025 | Active | NN3 |
| R&R ELECTRIX AND REPAIRS LTD | 43210 · electrical installation; 33140 | 2026 | Active | NN3 |
| RJ ELECTRICAL (ESSEX) LIMITED | 43210 · electrical installation | 2021 | Active | NN3 |
| ROVELL ELECTRICAL LTD | 43210 · electrical installation | 2018 | Active | NN3 |
| SALVESEN INSULATED FRAMES LIMITED | 43290 · other construction installation | 2010 | Liquidation | NN3 |
| SCL ELECTRICAL AND ENERGY LIMITED | 43210 · electrical installation; 71200 | 2009 | Liquidation | NN3 |
| SEAMARK TECHNICAL SOLUTIONS LTD | 43210 · electrical installation; 42220 | 2026 | Active | NN3 |
| SIMON SWEETLAND LTD | 43210 · electrical installation | 2005 | Active | NN3 |
| SIRBU INSTALLATION LTD | 43290 · other construction installation; 41202; 43999; 68209 | 2023 | Active | NN3 |
| SOLAR DYNAMIC SOLUTIONS LTD | 43210 · electrical installation | 2024 | Active | NN3 |
| SP VOLTA LTD | 43210 · electrical installation; 35140; 47990; 81210 | 2025 | Active | NN3 |
| SPACE ETCETERA LTD | 43290 · other construction installation; 43330; 43341; 43390 | 2025 | Active | NN3 |
| ST ELECTRICS LTD | 43210 · electrical installation | 2016 | Active | NN3 |
| SUSTAINABLE ELECTRICAL DEVELOPMENT SOLUTIONS LTD | 43210 · electrical installation | 2018 | Active - Proposal to Strike off | NN3 |
| SWISS ELECTRICAL LTD | 43210 · electrical installation | 2024 | Active | NN3 |
| THE A TEAM TELECOM LTD | 43210 · electrical installation; 61900; 68100; 68209 | 2022 | Active | NN3 |
| TREMENDOUS BUILDERS LTD | 43290 · other construction installation; 41201; 41202; 68100 | 2025 | Active | NN3 |
| TSC ELECTRICAL LTD | 43210 · electrical installation | 2019 | Active | NN3 |
| VLC ELECTRICAL LTD | 43210 · electrical installation | 2023 | Active | NN3 |
| WARREN CLAYSON ELECTRICAL LIMITED | 43210 · electrical installation | 2015 | Active | NN3 |
| WILMOR CONSTRUCTION LIMITED | 43290 · other construction installation | 2000 | Liquidation | NN3 |
| WMB 360 LTD | 43290 · other construction installation | 2025 | Active | NN3 |
| XTREME INSTALL LTD | 43290 · other construction installation | 2020 | Liquidation | NN3 |
| ZEUS ELECTRICAL CONTRACTORS LTD | 43210 · electrical installation | 2021 | Active | NN3 |
What homes around NN3 need
In NN3 last summer (2026) there were ≈8 nights that stayed above 18 °C — 7 times the 1991–2020 average of 1.1 (ERA5 reanalysis, grid ≈30 km, lower than street temperatures in cities).
3% of sampled postcodes in NN3 sit in a conservation area (on-record, 1,315 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).
Companies House snapshot 1 Sep 2026, 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. Hot nights: ERA5-ARCO for NN3, June–August, minimum at or above 18 °C, retrieved 25 Sep 2026. Conservation-area share: sampled postcode points in NN3, snapshot 25 Sep 2026.
Better than a town-wide list: these are the registered offices in NN3, with that district's hot nights and planning rule.