Gas Safe No. 59324107460 080131 Gas Safe Registered: No. 593241Mon–Fri 8:00am–6:30pm · Sat 8:30am–12:00pm chris@csghp.com07460 080131 HomeAbout - About Us - Reviews Services - Heating Engineer - Boiler Installation - Boiler Service - Boiler Repair - Plumbing - Central Heating Installation - Landlord Certificates - Radiator Installation - Power FlushingView all services Areas - Nottingham - Derby - Mansfield - Hucknall - Ilkeston - Beeston - Long Eaton - Matlock - ChesterfieldView all areas Our WorkContact07460 080131Request a Free Estimate - Home - Areas - DerbyWhere We Work · Derby # Boiler Installationand Heating Repairsin Derby A Baxi approved installer covering Derby and the surrounding villages: free written quotes on new boilers, £80 + VAT diagnostic visits on breakdowns, and a Gas Safe team that sees the job through. Request a Free EstimateCall 07460 080131 Gas Safe No. 593241 · Domestic work only · Mon–Fri 8:00am–6:30pm · Sat 8:30am–12:00pm Baxi approved installer Gas Safe registered: No. 593241 Free fixed-price installation quotes Manufacturer warranties of 5, 7 or 10 years £2m public liability cover Local Coverage ## Boiler and central heating work across Derby and its suburbs Around 18 miles from Underwood, a straight run down the A38 or the M1. Derby sits on the other side of the county line from us but well within our normal working radius: around 18 miles by the A38. We cover the city and the residential belt around it: Littleover, Mickleover, Allestree, Chaddesden, Spondon, Alvaston, Sinfin and out towards Borrowash and Breadsall. Long Eaton and Ilkeston, both on our list, sit between us and Derby, so the route is one we drive regularly. The Derby housing mix leans heavily on twentieth-century stock: 1930s semis through Littleover and Allestree, large post-war estates in Chaddesden, Alvaston and Sinfin, and steady new-build development around Mickleover and the city edge. That mix produces two very different jobs, replacing tired systems in older houses, and sorting out under-specified or poorly commissioned heating in newer ones. Because Derby is a slightly longer drive than our Nottinghamshire patch, we are honest about scheduling: installation surveys and services are booked into a planned slot, and breakdowns get a same or next-day visit wherever the diary allows during our opening hours of Monday to Friday 8:00am to 6:30pm and Saturday 8:30am to 12:00pm. All our Derby work is domestic. Houses, flats and rental properties: including landlord CP12 certificates from £85 + VAT with a service, but no commercial premises or plant rooms. ### What that means for Derby Derby and the villagesLittleover, Mickleover, Allestree, Chaddesden, Spondon, Alvaston, Sinfin, Borrowash and Breadsall. Installation-led areaBaxi approved installer with free written quotes, fixed pricing and 5, 7 or 10 year manufacturer warranties. Planned and reactive workSurveys and services booked to a slot; breakdowns given a same or next-day visit wherever the diary allows. Landlord complianceCP12 certificates from £85 + VAT with a service, with any remedial work estimated in writing first. Services ## What we do in Derby Every service below is available across Derby and the surrounding villages. Prices are quoted before work starts, and all work is domestic only. ### Heating Engineer in Derby Gas Safe registered engineers for the whole system across Derby: boiler, controls, radiators and cylinder. Read more ### Boiler Installation in Derby Our busiest Derby job: a free survey, a fixed written quote and a manufacturer warranty of 5, 7 or 10 years. Read more ### Boiler Service in Derby From £75 + VAT, booked into a planned Derby slot to keep warranties valid. Read more ### Boiler Repair in Derby £80 + VAT diagnostic visit including the first hour, with anything further quoted before we continue. Read more ### Plumbing in Derby Domestic plumbing and unvented hot water cylinders, G3 qualified and WaterSafe registered. Read more ### Central Heating Installation in Derby Full systems for Derby extensions, refurbishments and post-war houses still running original pipework. Read more ### Landlord Certificates in Derby CP12 gas safety certificates from £85 + VAT with a service for Derby landlords and letting agents. Read more ### Radiator Installation in Derby Radiators sized to the room's actual heat loss, then balanced across the system. Read more ### Power Flushing in Derby Sludge cleared before a new Derby boiler goes on, protecting the heat exchanger and the warranty. Read more Why Us ## Why Derby homeowners and landlords call us Every claim on this page comes from our own accreditations, insurance and published prices: nothing invented, nothing exaggerated. ### Manufacturer-trained, not just gas registered Chris Smith trained at British Gas, then worked for E.ON and Vaillant before founding CSGHP Ltd in 2019, 23 years in the trade since 2003. We are a Baxi approved installer and a Vaillant registered installer. ### Fixed quotes on Derby installations New boilers and heating systems are quoted free, in writing, at a fixed price. Payment is on completion, with a deposit in some situations and staged payments on larger projects. ### Breakdowns priced up front £80 + VAT covers the diagnostic visit and the first hour on site. If it needs more, you get the price before we carry on. ### Fully accredited and insured Gas Safe No. 593241, ACS, City & Guilds NVQ Level 3, G3, BPEC, APHC and WaterSafe, with £2m public liability cover and a 12-month workmanship guarantee on most work. Local Property Issues ## Common heating problems in Derby properties Derby's housing is mostly twentieth-century, and the faults follow the era the house was built and the era the heating was last touched. ### 1930s semis in Littleover and Allestree These houses were built before central heating was standard, so the system was retrofitted: often more than once. We routinely find pipework threaded under floors in whatever route was easiest at the time, with long runs, sharp bends and mixed pipe sizes that starve the far radiators of flow. Bay windows, solid walls and generous room heights push heat loss higher than the floor area suggests. Radiators sized by eye tend to be undersized here, which shows up as a boiler that runs and runs while the room never quite gets warm. A room-by-room heat loss calculation fixes that properly. ### Post-war estates in Chaddesden, Alvaston and Sinfin A lot of this stock has had a modern combi fitted to old radiators and old pipework. It works for a while, then the sludge that was already in the system finds its way into the new heat exchanger. Cold-at-the-bottom radiators, a noisy pump and unexplained pressure loss are the giveaways. Where the system water shows heavy magnetite, we power flush, dose with the correct concentration of inhibitor and recommend a magnetic filter. It is not an upsell, debris drawn into a new boiler is one of the most common reasons a manufacturer rejects a warranty claim. ### New-build and recent estates around Mickleover Newer Derby homes usually have sound pipework but frequently poor commissioning: radiators never balanced, flow temperatures left at factory settings, weather compensation or smart controls fitted and never configured. The system heats, but expensively and unevenly. There is also the recurring problem of an undersized combi asked to serve two bathrooms. Where hot water flow is the real complaint, the answer may be a system boiler and cylinder rather than another combi, which we will say plainly at survey stage rather than fit what is easiest. ### Winter lockouts and hot water complaints External condensate pipes freeze in the first hard frost and lock the boiler out, usually overnight. Re-routing internally or lagging correctly removes a recurring winter call-out entirely. Hot water that starts hot then cools, or drops away when another tap opens, is normally scale in a combi's plate heat exchanger or a failing diverter valve. Both are progressive and both are cheaper to catch at a service than after a full failure. Gas Safe Registered Baxi Approved Installer APHC Licensed Member Our Process ## How a Derby job runs, step by step The same sequence on every visit, so you always know what happens next and what it costs before it happens. - 1 ### Call or send the form Tell us the postcode, the property and the symptom. We confirm what the visit costs before we set off. - 2 ### Inspection on site Boiler, controls, radiators, cylinder and system water all checked: not just the part that stopped. - 3 ### Diagnosis and written price You get the cause, the options and a price. Repairs beyond the first hour are quoted before we carry on. - 4 ### The work carried out Dust sheets down, gas work signed off by a Gas Safe registered engineer, and the area left clean. - 5 ### Testing and commissioning Gas rate and combustion checked, system rebalanced, controls set up and hot water performance verified. - 6 ### Handover and guarantee We show you what was done, leave the paperwork, and back most work with a 12-month workmanship guarantee. Questions ## Derby, your questions answered Anything not covered here, call 07460 080131 and ask Chris directly. Do you serve Derby?Yes. Derby is one of our named service areas, around 18 miles from our Underwood base via the A38 or M1, and we cover the city plus the surrounding suburbs and villages. How fast can you reach Derby?Breakdowns get a same or next-day visit wherever the diary allows during our opening hours. Services, surveys and installations are booked into a planned slot. What does a new boiler in Derby cost?Installations are priced individually because the boiler, flue route, controls and system condition all affect the figure. The quote is free, written and fixed, so the price you accept is the price you pay. How much is a boiler repair in Derby?£80 + VAT for the diagnostic visit, including the first hour on site. Anything beyond that is quoted before we continue. How much is a boiler service in Derby?From £75 + VAT, which also keeps a manufacturer warranty of 5, 7 or 10 years valid. Do you do landlord gas safety certificates in Derby?Yes, CP12 certificates from £85 + VAT with a service, with remedial work estimated in writing before anything is carried out. Are emergency call-outs available in Derby?Yes, for boiler breakdowns and gas faults, with a same or next-day response wherever possible within our opening hours. For a suspected gas escape, call the National Gas Emergency Service on 0800 111 999 first. Do you take on commercial work in Derby?No. CSGHP Ltd is domestic only. Which boiler brands do you install in Derby?We are a Baxi approved installer and a Vaillant registered installer. We will work with another brand if you prefer one, or specify and size the boiler for you. How do payments work on a Derby installation?Installations are paid on completion, with a deposit requested in some situations. Larger projects running across several visits are set up as staged payments. Nearby Areas ## We also cover these areas near Derby - Long Eaton - Ilkeston - Beeston - Matlock - NottinghamView all service areas Find Us ## Based in Underwood, covering Derby See our heating engineer services, browse all services, or get in touch. Next Step ## Book a free boiler quote in Derby Send us the postcode, the current boiler and what you want the heating to do. We will survey it properly and come back with a fixed written price: no charge for the quote, and no pressure afterwards. Call 07460 080131 - Gas Safe registered: No. 593241 - £2m public liability cover - 12-month workmanship guarantee on most work Gas Safe registered heating engineers for homes across Nottinghamshire and Derbyshire. Boiler installation, servicing, repair and central heating, domestic work only. Gas Safe Register No. 593241Company No. 11826928 ## Services - Heating Engineer in Nottingham - Boiler Installation in Nottingham - Boiler Service in Nottingham - Boiler Repair in Nottingham - Plumbing in Nottingham - Central Heating Installation in Nottingham - Landlord Certificates in Nottingham - Radiator Installation in Nottingham - Power Flushing in Nottingham ## Service Areas - Heating engineer in Nottingham - Heating engineer in Derby - Heating engineer in Mansfield - Heating engineer in Hucknall - Heating engineer in Ilkeston - Heating engineer in Beeston - Heating engineer in Long Eaton - Heating engineer in Matlock - Heating engineer in Chesterfield ## Contact 142 Main Rd, Underwood,Nottingham NG16 5GN 07460 080131 chris@csghp.com Monday8:00am – 6:30pm Tuesday8:00am – 6:30pm Wednesday8:00am – 6:30pm Thursday8:00am – 6:30pm Friday8:00am – 6:30pm Saturday8:30am – 12:00pm SundayClosed © 2026 CSGHP Ltd (CS Gas Heating & Plumbing). All rights reserved. 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