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PAS 24 doors, multipoint locks, cylinders, and physical security for London residential properties in 2025
Part Q Building Regulations, PAS 24:2016 door and window security, Secured by Design (SBD) accreditation, most specified lock cylinders, mortice deadlocks, and multipoint locks for London residential renovation and new-build in 2025: PART Q BUILDING REGULATIONS — SECURITY FOR LONDON RESIDENTIAL IN 2025: PART Q APPLIES TO NEW DWELLINGS AND MATERIAL CHANGES OF USE (FLAT CONVERSIONS, HMO CONVERSIONS) IN ENGLAND — REQUIRES THAT ALL EXTERNAL DOORS, GROUND-FLOOR WINDOWS, AND ANY ACCESSIBLE-FLOOR WINDOWS (I.E., WINDOWS THAT CAN BE REACHED FROM THE GROUND OR A CLIMBABLE STRUCTURE) MUST RESIST PHYSICAL ATTACK BY A CASUAL OR OPPORTUNISTIC BURGLAR — THE MOST COMMONLY ACCEPTED METHOD OF COMPLIANCE IN LONDON RESIDENTIAL NEW-BUILD AND FLAT CONVERSIONS IN 2025 IS TO SPECIFY DOORS AND WINDOWS THAT HAVE BEEN TESTED AND CERTIFICATED TO PAS 24:2016 (ENHANCED SECURITY PERFORMANCE REQUIREMENTS FOR DOORSETS AND WINDOWS IN THE UK — THE MOST SPECIFIED PHYSICAL ATTACK RESISTANCE TEST STANDARD FOR RESIDENTIAL DOORS AND WINDOWS IN LONDON IN 2025): PAS 24:2016 DOOR SPECIFICATION — MOST SPECIFIED DOOR TYPES FOR PART Q COMPLIANCE IN LONDON RESIDENTIAL NEW-BUILD AND FLAT CONVERSIONS IN 2025: COMPOSITE DOOR (THE MOST SPECIFIED EXTERNAL FRONT DOOR TYPE IN LONDON RESIDENTIAL NEW-BUILD, LOFT CONVERSION, EXTENSION, AND FLAT CONVERSION RENOVATION IN 2025 — SOLID GLASS FIBRE REINFORCED POLYMER (GRP) OR ENGINEERED TIMBER CORE — SIGNIFICANTLY MORE SECURE AND THERMALLY EFFICIENT THAN A STANDARD TIMBER PANEL DOOR — MOST SPECIFIED COMPOSITE DOOR BRAND IN LONDON RESIDENTIAL RENOVATION IN 2025: SOLIDOR COMPOSITE DOORS (THE MOST INSTALLED COMPOSITE DOOR BRAND IN LONDON RESIDENTIAL RENOVATION IN 2025 — 48mm SOLID DOOR BODY — PAS 24:2016 CERTIFICATED — SECURED BY DESIGN (SBD) APPROVED MOST COMMON OPTION — MOST INSTALLED SOLIDOR COMPOSITE DOOR IN LONDON RESIDENTIAL RENOVATION IN 2025: SOLIDOR TIMBER COMPOSITE SOLID CORE DOOR — THER AND TILT COMPOSITE FRONT DOOR MOST INSTALLED LONDON RESIDENTIAL RENOVATION 2025 — AVAILABLE IN RANGE OF FINISHES — MOST INSTALLED COLOUR IN LONDON RESIDENTIAL RENOVATION 2025: ANTHRACITE GREY (RAL 7016) — CONSISTENT WITH THE MOST SPECIFIED FINISH FOR ALUMINIUM AND COMPOSITE WINDOWS AND DOORS IN LONDON RESIDENTIAL RENOVATION 2025)); SECOND MOST SPECIFIED COMPOSITE DOOR BRAND IN LONDON RESIDENTIAL RENOVATION IN 2025: ROCKDOOR COMPOSITE DOOR (THE SECOND MOST INSTALLED COMPOSITE DOOR IN LONDON RESIDENTIAL RENOVATION IN 2025 — STEEL REINFORCED MULTIPOINT LOCK FRAME — PAS 24:2016 CERTIFICATED — SBD APPROVED — MOST INSTALLED ROCKDOOR IN LONDON RESIDENTIAL RENOVATION IN 2025: ROCKDOOR ULTIMATE STABLE DOOR IN ANTHRACITE GREY); MOST SPECIFIED MULTIPOINT LOCK FOR COMPOSITE AND UPVC FRONT DOORS IN LONDON RESIDENTIAL IN 2025: MACO MULTI SECURE MULTIPOINT LOCK (THE MOST SPECIFIED MULTIPOINT LOCK SYSTEM FOR COMPOSITE AND UPVC FRONT DOORS IN LONDON RESIDENTIAL RENOVATION AND NEW-BUILD IN 2025 — THREE-POINT LOCKING (DEADBOLT + TWO HOOKS OR ROLLER BOLTS ON SHOOT BOLTS) — MOST INSTALLED IN SOLIDOR AND ROCKDOOR COMPOSITE DOORS AS SUPPLIED — PAS 24:2016 CERTIFICATED WHEN COMBINED WITH AN TS007 3-STAR CYLINDER AND AN SBD-COMPLIANT FRAME); LOCK CYLINDERS — MOST SPECIFIED EURO PROFILE CYLINDER FOR COMPOSITE AND UPVC DOORS IN LONDON RESIDENTIAL RENOVATION IN 2025: ULTION 3-STAR TS007 EURO CYLINDER (THE MOST SPECIFIED LOCK CYLINDER IN LONDON RESIDENTIAL RENOVATION IN 2025 — HIGHEST SECURITY EURO PROFILE CYLINDER WIDELY INSTALLED IN LONDON RESIDENTIAL IN 2025 — SOLD BY BRISANT SECURE — ANTI-SNAP (CYLINDER DESIGNED TO SHEAR AT A CONTROLLED POINT BEFORE REACHING THE PLUG — PREVENTING LOCK-SNAPPING ATTACK WHICH IS THE MOST COMMON DOOR ENTRY TECHNIQUE IN LONDON RESIDENTIAL BURGLARY IN 2025) — ANTI-PICK — ANTI-DRILL — ANTI-BUMP — 3-STAR TS007:2014 RATED — MOST INSTALLED LENGTH IN LONDON RESIDENTIAL RENOVATION IN 2025: 35/45mm EURO PROFILE CYLINDER (MOST COMMON SIZE FOR COMPOSITE AND UPVC FRONT DOOR INSTALLATION IN LONDON RESIDENTIAL RENOVATION IN 2025 — ADJUSTABLE CYLINDER LENGTHS AVAILABLE)); SECOND MOST SPECIFIED LOCK CYLINDER IN LONDON RESIDENTIAL RENOVATION IN 2025: YALE SUPERIOR ANTI-SNAP TS007 3-STAR EURO CYLINDER (THE SECOND MOST SPECIFIED TS007 3-STAR ANTI-SNAP EURO PROFILE CYLINDER IN LONDON RESIDENTIAL RENOVATION IN 2025 — ANTI-SNAP — ANTI-PICK — ANTI-DRILL — MOST INSTALLED ALTERNATIVE TO ULTION IN LONDON RESIDENTIAL RENOVATION IN 2025); MORTICE DEADLOCKS FOR TIMBER DOORS — MOST SPECIFIED BS 3621 MORTICE DEADLOCK IN LONDON RESIDENTIAL IN 2025: YALE SUPERIOR BS 3621 5-LEVER MORTICE DEADLOCK (THE MOST SPECIFIED BS 3621 5-LEVER MORTICE DEADLOCK IN LONDON RESIDENTIAL RENOVATION IN 2025 FOR TIMBER DOORS WHERE A MULTIPOINT LOCK IS NOT INSTALLED — BS 3621:2007 + A1:2009 CERTIFICATED — MOST COMMONLY INSURANCE-REQUIREMENT-COMPLIANT SPECIFICATION IN LONDON RESIDENTIAL RENOVATION IN 2025 FOR TIMBER PANEL DOORS); SECURED BY DESIGN (SBD) — THE MOST SPECIFIED SECURITY ACCREDITATION IN LONDON RESIDENTIAL NEW-BUILD IN 2025: SBD (THE MOST SPECIFIED SECURITY ACCREDITATION SCHEME IN LONDON RESIDENTIAL NEW-BUILD 2025 — SBD APPROVAL REQUIRES THAT DOORS, WINDOWS, AND LOCK HARDWARE MEET THE MINIMUM SECURITY PERFORMANCE REQUIREMENTS OF PAS 24:2016 OR EQUIVALENT — MOST COMMONLY REQUIRED BY LONDON BOROUGHS AND MAJOR DEVELOPERS IN LONDON RESIDENTIAL NEW-BUILD IN 2025 — ALSO MOST COMMONLY REQUIRED BY LONDON PLANNING AUTHORITIES AS A PLANNING CONDITION IN NEW RESIDENTIAL SCHEMES IN 2025).
Intruder alarm systems, CCTV, and smart doorbell systems for London residential properties in 2025
Most specified intruder alarm systems, PIR detectors, door sensors, CCTV cameras, and smart doorbell products for London residential properties in 2025 — with typical installation costs: INTRUDER ALARM SYSTEMS FOR LONDON RESIDENTIAL IN 2025: MOST INSTALLED INTRUDER ALARM SYSTEM IN LONDON RESIDENTIAL RENOVATION IN 2025: RISCO LIGHTSYS2 ALARM PANEL (THE MOST INSTALLED INTRUDER ALARM CONTROL PANEL IN LONDON RESIDENTIAL RENOVATION IN 2025 BY NSI/SSAIB REGISTERED ALARM INSTALLERS — RISCO LIGHTSYS2 8-32 ZONE EXPANDABLE PANEL — MOST INSTALLED IN LONDON RESIDENTIAL IN 2025 FOR STANDARD 3-4 BEDROOM FAMILY HOME WITH 8 ZONES (4 PIRS + 2 DOOR CONTACTS + 1 EXTERIOR SIREN + 1 KEYPAD) — GRADE 2 EN 50131:2006 — MOST COMMONLY CONNECTED TO RISCO CLOUD (APP-CONTROLLED REMOTE ARM/DISARM + PUSH NOTIFICATION) IN LONDON RESIDENTIAL RENOVATION IN 2025); MOST INSTALLED PIR MOTION DETECTOR IN LONDON RESIDENTIAL ALARM IN 2025: RISCO LUVARA WI-FI PIR (THE MOST INSTALLED PIR DETECTOR IN LONDON RESIDENTIAL RISCO ALARM SYSTEMS IN 2025 — DUAL-ELEMENT PASSIVE INFRARED DETECTOR — WIRELESS RF 868MHz — GRADE 2 EN 50131 — MOST INSTALLED IN HALLWAYS, LIVING ROOMS, AND MASTER BEDROOM IN LONDON RESIDENTIAL ALARM SYSTEMS IN 2025); SECOND MOST INSTALLED INTRUDER ALARM IN LONDON RESIDENTIAL IN 2025: AJAX ALARM SYSTEM (THE SECOND MOST INSTALLED INTRUDER ALARM SYSTEM IN LONDON RESIDENTIAL RENOVATION IN 2025 — PREMIUM WIRELESS SYSTEM — AJAX HUB 2 PLUS CONTROL PANEL — MOST INSTALLED AJAX COMPONENTS IN LONDON RESIDENTIAL PREMIUM RENOVATION IN 2025: AJAX MOTIONPROTECT PIR DETECTOR (THE MOST INSTALLED AJAX PIR IN LONDON RESIDENTIAL PREMIUM ALARM SYSTEMS IN 2025 — DUAL PIR — RADIO FREQUENCY 866.5MHz — GRADE 2 EN 50131 — TAMPER-PROTECTED — MOST INSTALLED IN HALLWAYS AND GROUND-FLOOR ROOMS IN LONDON RESIDENTIAL PREMIUM ALARM SYSTEMS IN 2025); AJAX DOORPROTECT DOOR AND WINDOW SENSOR (THE MOST INSTALLED AJAX DOOR/WINDOW SENSOR IN LONDON RESIDENTIAL PREMIUM ALARM SYSTEMS IN 2025 — MAGNETIC REED CONTACT SENSOR — MOST INSTALLED ON FRONT DOOR, BACK DOOR, AND GROUND-FLOOR WINDOWS IN LONDON RESIDENTIAL PREMIUM ALARM SYSTEMS IN 2025)); CCTV CAMERAS FOR LONDON RESIDENTIAL IN 2025: MOST INSTALLED CCTV CAMERA IN LONDON RESIDENTIAL RENOVATION IN 2025: HIKVISION DS-2CD2147G2-LU ACUSENSE 4MP COLOUR NIGHT VISION IP CAMERA (THE MOST INSTALLED CCTV CAMERA IN LONDON RESIDENTIAL RENOVATION IN 2025 — 4 MEGAPIXEL ACUSENSE DEEP LEARNING PIR PIR DETECTION — COLOUR NIGHT VISION (NIGHTTIME FULL-COLOUR IMAGE USING BUILT-IN WHITE LIGHT — NO INFRARED ONLY GREYSCALE — MOST SPECIFIED FOR FRONT DOOR AND DRIVEWAY COVERAGE IN LONDON RESIDENTIAL IN 2025) — POE (POWER OVER ETHERNET — SINGLE CAT6 CABLE CARRIES BOTH POWER AND VIDEO DATA) — IP67 WEATHERPROOF — MOST INSTALLED IN SETS OF 4 IN LONDON RESIDENTIAL CCTV SYSTEMS IN 2025: 1× FRONT DOOR + 1× DRIVEWAY/FRONT GARDEN + 1× BACK GARDEN + 1× SIDE ACCESS); MOST INSTALLED DVR/NVR FOR LONDON RESIDENTIAL CCTV IN 2025: HIKVISION DS-7608NXI-I2-S ACUSENSE NVR (THE MOST INSTALLED NVR IN LONDON RESIDENTIAL CCTV SYSTEMS IN 2025 — 8-CHANNEL POE NVR — ACUSENSE DEEP LEARNING FALSE ALARM REDUCTION — HDMI MONITOR OUTPUT — 2TB HARD DRIVE MOST INSTALLED STORAGE IN LONDON RESIDENTIAL CCTV SYSTEMS IN 2025 (APPROXIMATELY 30 DAYS CONTINUOUS RECORDING AT 4MP 15FPS ON 4 CAMERAS)); SMART DOORBELLS FOR LONDON RESIDENTIAL IN 2025: MOST INSTALLED SMART DOORBELL IN LONDON RESIDENTIAL IN 2025: RING VIDEO DOORBELL 4 (THE MOST INSTALLED SMART DOORBELL IN LONDON RESIDENTIAL RENOVATION IN 2025 — 1080P HD VIDEO — TWO-WAY AUDIO — MOTION DETECTION — WI-FI CONNECTED — BATTERY POWERED (MOST INSTALLED INSTALLATION TYPE IN LONDON RESIDENTIAL RENOVATION IN 2025 WHERE EXISTING DOORBELL WIRING IS ABSENT OR INACCESSIBLE) OR WIRED — RING PROTECT SUBSCRIPTION (THE MOST COMMON SUBSCRIPTION IN LONDON RESIDENTIAL RING DOORBELL USERS IN 2025 — CLOUD VIDEO RECORDING 30 DAYS — £35/YEAR BASIC PLAN)); SECOND MOST INSTALLED SMART DOORBELL IN LONDON RESIDENTIAL PREMIUM IN 2025: GOOGLE NEST DOORBELL WIRED (2ND GENERATION) (THE SECOND MOST INSTALLED SMART DOORBELL IN LONDON RESIDENTIAL PREMIUM RENOVATION IN 2025 — 960P HDR VIDEO — CONTINUOUS VIDEO RECORDING ON GOOGLE NEST AWARE SUBSCRIPTION — MOST INSTALLED IN LONDON RESIDENTIAL PREMIUM RENOVATION IN 2025 WHERE EXISTING DOORBELL WIRING IS PRESENT AND GOOGLE HOME ECOSYSTEM IS ALREADY IN USE); TYPICAL LONDON RESIDENTIAL SECURITY INSTALLATION COSTS IN 2025: TS007 3-STAR EURO CYLINDER SUPPLY+FIT (ULTION OR YALE SUPERIOR): £80-£150; BS3621 MORTICE DEADLOCK SUPPLY+FIT (YALE SUPERIOR 5-LEVER): £150-£250; 8-ZONE RISCO ALARM SYSTEM SUPPLY+FIT (4 PIRS + 2 DOOR CONTACTS + PANEL + KEYPAD + EXTERIOR SIREN): £800-£1,500; 4-CAMERA HIKVISION ACUSENSE CCTV SYSTEM SUPPLY+FIT (4× DS-2CD2147G2-LU + NVR + 2TB HDD + CAT6 CABLING + MONITOR): £1,200-£2,500; RING VIDEO DOORBELL 4 SUPPLY+FIT (BATTERY VERSION): £200-£350.
Frequently Asked Questions
What are the Part Q Building Regulations security requirements for London new-build and flat conversions in 2025, and what is the most specified lock cylinder?▼
Important Note
This guide is for general information only. Building regulations, planning rules, and legal requirements change regularly and vary by local authority. Always seek professional advice specific to your project and location. RCB Design & Build offers free initial consultations — book your free survey.