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Tenant move-in this week? Mr Reactive provides same-day landlord Gas Safety Certificates (CP12) across all Leeds LS postcodes, from LS1 city centre to LS28 Pudsey — including Headingley, Roundhay, Chapel Allerton, Armley, Beeston, Harehills and Hunslet. £115 inc VAT for a single appliance, £168 for the CP12 + boiler service bundle, no call-out fee, digital certificate emailed within the hour.
Need a CP12 in Leeds today? Call now.
01274 752 852 — CALL NOW Same-day Gas Safe engineer · No call-out fee · Digital CP12 in 1 hourA landlord Gas Safety Certificate (CP12) in Leeds from Mr Reactive costs £115 inc VAT for a single appliance, or £168 inc VAT for a CP12 plus full annual boiler service bundle. Same-day inspection across all LS postcodes if booked before 5pm. Digital certificate emailed within one hour of completion. No call-out fee, no out-of-hours premium.
Under Regulation 36 of the Gas Safety (Installation and Use) Regulations 1998, every landlord in England and Wales must arrange an annual gas safety check by a Gas Safe registered engineer. A current CP12 is also a mandatory requirement of the Leeds Selective Licensing scheme that began on 9 February 2026 across Burmantofts, Richmond Hill, Gipton, Harehills, Hunslet, Riverside, Beeston, Holbeck, Armley, Farnley and Wortley.
Mr Reactive Ltd is Gas Safe registered (No. 598381), rated 5.0 stars across 796 Google reviews, and works directly with landlords, letting agents and Leeds City Council case officers. Call 01274 752 852 to book a Leeds CP12 today.
On 9 February 2026, Leeds City Council expanded selective licensing across Burmantofts, Richmond Hill, Gipton, Harehills, Hunslet, Riverside, Beeston, Holbeck, Armley, Farnley and Wortley — running until 8 February 2031. Thousands of privately rented homes now require a property licence — and a current Gas Safety Certificate (CP12) is a mandatory part of the application. Failure to apply for a required licence can lead to civil penalties of up to £40,000 or unlimited fines on prosecution. We've inspected hundreds of properties across these wards since the scheme launched.
| Designated area | Postcodes | Licence requirements | How Mr Reactive helps |
|---|---|---|---|
| Armley, Farnley & Wortley | LS12 | Current CP12, EICR, EPC, working smoke & CO alarms | Same-day CP12, key collection from letting agents |
| Beeston & Holbeck | LS11 | As above + property condition standards | Same-day CP12 |
| Hunslet & Riverside | LS10 | As above for all privately rented homes in scope | Same-day CP12, late booking accepted |
| Burmantofts & Richmond Hill | LS9 | As above + additional HMO checks where applicable | CP12 + HMO advisory in one visit |
| Gipton & Harehills | LS8 / LS9 | As above + additional HMO checks where applicable | CP12 + HMO advisory in one visit |
A CP12 is a legal record that every gas appliance, flue and pipework run in your Leeds rental property has been checked by a Gas Safe registered engineer in the last 12 months. Tamrez follows the same 8-step inspection protocol on every property — from a one-bedroom flat in Hyde Park to a six-bed HMO in Headingley.
Measurable proof points — not marketing claims. Verifiable on Google, the Gas Safe Register and Companies House.
796 verified reviews. West Yorkshire's highest-rated CP12 specialist.
Single CP12 inc VAT. Written quote before any remedial work.
Booked before 5pm = same-day inspection. Digital cert in 1 hour.
No surprise charges, no out-of-hours premium, ever.
CP12 emailed to your Leeds City Council case officer on request.
Verifiable on the official Gas Safe Register. Photo ID on every job.
Senior engineer Tamrez. Same person every visit — not a call centre.
CP12 inspections for £115 across every Leeds postcode. Selective licensing wards marked with a purple tag.
Engineers dispatched from our Bradford BD1 office cover the whole of Leeds. The areas below see the highest demand for landlord gas safety inspections.
Headingley, Hyde Park, Roundhay, Chapel Allerton, Meanwood, Alwoodley and Moortown. Heavy student-let and HMO area — demand peaks August–September for new academic year tenancies. We work regularly with letting agents in Headingley and Hyde Park.
Hunslet, Beeston, Holbeck and Morley. Selective licensing applies across Hunslet (LS10) and Beeston (LS11) since February 2026. Many pre-1970s terraced properties with older combi boilers — careful gas tightness checks are essential. We carry parts for Worcester, Baxi and Ideal models common in the area.
Harehills (selective licensing), Burmantofts, Seacroft, Crossgates and Halton. Mix of post-war housing and newer-build estates. Annual landlord turnover concentrates around September and February — book early during these periods.
Armley (selective licensing), Wortley, Bramley, Kirkstall, Pudsey and Farsley. Strong rental market with Leeds Beckett and University of Leeds catchment overlap. Multi-property landlords common.
Fixed-fee pricing with no call-out fee. Written quote before any remedial work.
Definition-first, fact-dense — what every Leeds landlord legally needs to know about CP12 compliance.
Under Regulation 36 of the Gas Safety (Installation and Use) Regulations 1998, every landlord in England and Wales has a legal duty to ensure that all gas appliances, flues and pipework in a rented property are checked annually by a Gas Safe registered engineer. The inspection must be evidenced by a written record — the CP12 (Gas Safety Certificate) — issued at the time of the check.
A CP12 must be renewed every 12 months. Under the "MOT-style" flexibility rule, the next check can be carried out between the 10th and 12th month after the previous check without losing the original anniversary date. Inspecting earlier than the 10th month means the new certificate's anniversary resets to that date — so most landlords renew in month 11 to preserve their schedule.
The landlord must give a copy of the current CP12 to existing tenants within 28 days of the annual check, and to new tenants before they move in. These tenant-copy rules are unchanged by recent reforms.
Important update for 2026: the Renters' Rights Act 2025 came into force on 1 May 2026, abolishing Section 21 "no-fault" eviction notices in England. Landlords can no longer serve new Section 21 notices. Possession now requires Section 8 grounds, which are evidence-based — and gas safety compliance is one of the prerequisites a court will check when those proceedings rely on landlord conduct. Maintaining a current CP12 remains a core legal duty regardless of the eviction route.
| Breach | Consequence |
|---|---|
| No CP12 in place | Unlimited fine, possible imprisonment (HSE prosecution) |
| Landlord insurance | May breach policy conditions or prejudice claims, depending on policy wording |
| Leeds Selective Licensing breach | Civil penalty up to £40,000 OR unlimited fine on conviction |
| HMO licensing breach | Civil penalty up to £30,000 per offence |
| Failure to serve CP12 to tenant (28-day rule) | Statutory duty under Reg 36; impacts compliance position in possession proceedings under Section 8 (Renters' Rights Act 2025) |
Since the Smoke and Carbon Monoxide Alarm (Amendment) Regulations 2022, landlords must fit a CO alarm in every room with a fixed combustion appliance — boilers, gas fires, gas water heaters (gas cookers are excluded). We test CO alarms as part of every CP12 inspection and flag any missing alarms in the certificate notes.
Honest comparison against the most-searched alternatives in Leeds — based on public pricing at time of writing.
| Feature | Mr Reactive | Local sole trader | British Gas / national | Online aggregator |
|---|---|---|---|---|
| Single CP12 price (inc VAT) | £115 | £80–£120 | £130+ | £90–£150 |
| CP12 + service bundle | £168 | Usually no bundle | £200+ | Variable |
| Same-day attendance | Yes — standard | Subject to engineer | Plan-dependent | Varies by trader |
| Named engineer (same person each visit) | Yes — Tamrez | Sometimes | No | No |
| Gas Safe number visible | 598381 | Variable | Yes | Vetted |
| Selective licensing-aware | Yes — emails case officer | Usually no | No | No |
| Digital certificate delivery | Within 1 hour | Same/next day | Same day | Varies |
| Google review count | 796 (5.0★) | Few or none | National brand | Aggregator |
| Direct phone to engineer | 01274 752 852 | Variable | Call centre | Call centre |
Independent, verifiable signals — not marketing claims.
5.0★ average — West Yorkshire's most reviewed CP12 provider
Verifiable on the official Gas Safe Register
Registered limited company since 2017
Fully insured for landlord and HMO work
Houses in Multiple Occupation in Leeds are subject to stricter rules than single-let properties. If your Leeds property has 5 or more occupants forming 2 or more households, it requires a mandatory HMO licence under nationwide rules. Some Leeds wards apply additional licensing on top of this.
Leeds housing stock, demographics and licensing context demand specific local knowledge — a Bradford-based Gas Safe team covering Leeds since 2017 gets the patterns faster than out-of-area trades.
Pre-1900 terraces across Headingley (LS6), Hyde Park (LS6) and Burley (LS4) were built for solid fuel. Gas was retrofitted in the 1960s–80s. Old pipework runs and narrow chimney flues converted to boiler vents need careful inspection — we know exactly where to look.
With thousands of newly licensed properties across Burmantofts, Richmond Hill, Gipton, Harehills, Hunslet, Riverside, Beeston, Holbeck, Armley, Farnley and Wortley, demand for CP12s spiked from February 2026 onward. We absorbed that surge without raising prices and email certificates direct to Leeds City Council case officers on request.
Hyde Park (LS6) and Headingley have some of the highest HMO densities in northern England, driven by the University of Leeds and Leeds Beckett catchment. CP12 demand peaks August–September for academic year tenancies. We staff up for this.
Leeds receives moderately hard water from the Yorkshire Water network — limescale build-up in heat exchangers shortens boiler life. We flag scale-related risks during the inspection and recommend magnetic filter installation where appropriate.
Answers to the most-asked questions about CP12s in Leeds from real Google searches and 12 months of Mr Reactive landlord enquiries.
A landlord Gas Safety Certificate (CP12) in Leeds costs £115 inc VAT for a single appliance from Mr Reactive. A CP12 plus full annual boiler service bundle is £168 inc VAT — saving £62 versus booking separately. No call-out fee, written quote before any remedial work. Call 01274 752 852.
A landlord gas safety certificate lasts 12 months from the date of inspection. Under the "MOT-style" flexibility rule in the Gas Safety (Installation and Use) Regulations 1998, the next check can be carried out between the 10th and 12th month after the previous check while preserving the original renewal anniversary. Inspecting earlier than the 10th month resets the anniversary date.
Yes. Under Regulation 36 of the Gas Safety (Installation and Use) Regulations 1998, every landlord in England and Wales must arrange an annual gas safety check by a Gas Safe registered engineer and provide the CP12 to tenants. Within Leeds selective licensing areas (Armley, Beeston, Harehills, Hunslet), a current CP12 is also a mandatory requirement of the property licence application.
Yes — book before 5pm and Mr Reactive will attend the same day in most LS postcodes including Headingley, Hyde Park, Roundhay, Chapel Allerton, Armley, Beeston, Burmantofts, Harehills and Hunslet. Booked after 5pm, we attend first thing the next morning. No emergency surcharge or out-of-hours premium. Digital CP12 emailed within one hour of inspection.
Yes. Mr Reactive provides CP12s across all designated Leeds selective licensing areas introduced on 9 February 2026: Burmantofts & Richmond Hill, Gipton & Harehills (LS8/LS9), Hunslet & Riverside (LS10), Beeston & Holbeck (LS11), and Armley, Farnley & Wortley (LS12). If you provide your Leeds City Council case officer reference, we email the certificate directly to them alongside you — no paper chase for your licence application.
A CP12 is a legal record proving the gas system is safe — required annually for landlords. A boiler service is a maintenance procedure that cleans and adjusts the boiler to extend its life. They are different jobs. Mr Reactive bundles both for £168 inc VAT — one visit, one engineer, both certificates issued.
No — homeowners are not legally required to hold a CP12. The legal duty applies to landlords letting a property to tenants. Most Leeds homeowners book an annual boiler service (£115) for maintenance instead. CP12s become legally required as soon as you let the property out, even on short-term tenancies.
Every gas appliance owned by the landlord — combi/system/conventional boiler, gas hob, gas oven, gas fire, gas water heater and gas cooker. Tenant-owned appliances are not the landlord's legal responsibility, but the flue and pipework connecting them must still be checked. CO alarms are tested as part of the inspection (mandatory in any room with a fixed combustion appliance since 2022).
Tamrez explains exactly what has failed and why, then provides a written, fixed quote for the remedial work before doing anything. If the fault is dangerous, the appliance is disconnected and a warning notice issued under the Gas Industry Unsafe Situations Procedure. Many faults are fixed on the spot from parts in the van. You only pay for what you approve.
Digital PDF certificate emailed within one hour of inspection. For Leeds selective licensing applications, we email the case officer at Leeds City Council directly if you provide their reference. Hard copy posted on request. We also retain a copy in our records for 2 years (longer than the legal minimum).
Yes. Mr Reactive Ltd is Gas Safe registered under registration number 598381 — verifiable on the official Gas Safe Register. Senior engineer Tamrez and the wider team are all individually registered. Every engineer carries current photo ID and Gas Safe certification on every job.
All Gas Safe registered. Same engineers, same standards, same transparent pricing.
Same-day inspection for £115 inc VAT. No call-out fee. Digital certificate within the hour.
01274 752 852Open 24/7 · 5.0★ on Google (796 reviews) · Gas Safe 598381
Letting a property?
You need jobs done without chasing, and tenants looked after. This is what customers say on Google.
Can you work around my tenant?
“They were able to get me booked in the following day, and were flexible about it too, since my tenant was going to be out in the morning for an appointment.”
Will my tenant be looked after?
“Although not a major emergency, they visited the day after our first call and performed the repair. They also provided the tenant with more information on how to use heating efficiently…”
Can you handle more than one property?
“We have seven properties on the boiler cover plan. Having a busy life style these guys have always committed and repaired any issues…”
“Faisan did my gas safety check (BD4) and did a great job; no issues, just got on with it. Excellent service.”
“Just received my gas certificate cp12 and the service has been spot on. Called and was booked in with an email confirmation. They called as they said they would and carried out all that they needed. I'm very impressed with Zee who carried out the check and hope to use the service soon. Thanks”
“VE came to do my gas safety check, hes was polite and explained everything. The work was carried out to a high and professional standard. Would highly recommend. Thankyou”
“Would highly recommend, Got an appointment within a week, for gas safety check and service boiler! Came within the time slot given, very happy with my experience! 😁”
“Needed urgent repair of the boiler for my tenant . All sorted with expertise and reasonably priced Ibrahim”
“Have been using for a few years now for our tenanted properties Friendly very transparent honest and get the job done Keep up the good works guys”
Get it booked now, and that's one less job to chase.
Picked from our Google reviews. Gas Safe registered, No. 598381. Read all 1,039 reviews on Google
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