Coverage · London · Surrey · M25
Gas interlock installation across London, Surrey and the M25 towns
Pick your area below for postcode-level coverage, response times and what a commercial gas interlock installation involves on your type of site.
Areas we cover
Gas interlock installation, servicing and emergency repair across 34 areas of London, Surrey and the M25 towns — 372 postcode districts in total.
London
Central London →
EC1, EC2, EC3, EC4, WC1, WC2 +5 more
East London →
E1, E2, E3, E4, E5, E6 +14 more
North London →
N1, N2, N3, N4, N5, N6 +16 more
North West London →
NW1, NW2, NW3, NW4, NW5, NW6 +5 more
South East London →
SE1, SE2, SE3, SE4, SE5, SE6 +22 more
South West London →
SW1, SW2, SW3, SW4, SW5, SW6 +14 more
West London →
W1, W2, W3, W4, W5, W6 +8 more
Bromley & Beckenham →
BR1, BR2, BR3, BR4, BR5, BR6 +2 more
Croydon →
CR0, CR1, CR2, CR3, CR4, CR5 +4 more
Harrow & Wembley →
HA0, HA1, HA2, HA3, HA4, HA5 +4 more
Ilford, Romford & East Boroughs →
IG1, IG2, IG3, IG4, IG5, IG6 +25 more
Sutton & Morden →
SM1, SM2, SM3, SM4, SM5, SM6 +1 more
Hounslow, Twickenham & Staines →
TW1, TW2, TW3, TW4, TW5, TW6 +14 more
Uxbridge, Hayes & Southall →
UB1, UB2, UB3, UB4, UB5, UB6 +5 more
Enfield & Barnet →
EN1, EN2, EN3, EN4, EN5, EN6 +5 more
Bexley, Sidcup & Dartford →
DA1, DA2, DA3, DA4, DA5, DA6 +12 more
Surrey
Kingston upon Thames →
KT1, KT2, KT3, KT4, KT5, KT6 +1 more
Epsom & Ewell →
KT17, KT18, KT19, KT20, KT21
Esher, Walton & Weybridge →
KT7, KT8, KT10, KT11, KT12, KT13 +3 more
Leatherhead & Dorking →
KT22, KT23, KT24, RH3, RH4, RH5
Guildford →
GU1, GU2, GU3, GU4, GU5
Woking →
GU21, GU22, GU23, GU24
Camberley & Farnborough →
GU14, GU15, GU16, GU17, GU18, GU19 +3 more
Farnham & Godalming →
GU6, GU7, GU8, GU9, GU10, GU11 +4 more
Redhill & Reigate →
RH1, RH2, RH6, RH7, RH8, RH9 +2 more
Runnymede, Egham & Virginia Water →
TW20, GU25, KT16
M25 & Home Counties
Watford & Rickmansworth →
WD3, WD4, WD5, WD6, WD7, WD17 +5 more
St Albans & Hatfield →
AL1, AL2, AL3, AL4, AL5, AL6 +4 more
Hemel Hempstead & Amersham →
HP1, HP2, HP3, HP4, HP5, HP6 +5 more
Slough, Windsor & Maidenhead →
SL0, SL1, SL2, SL3, SL4, SL5 +4 more
Brentwood, Epping & Harlow →
CM1, CM2, CM11, CM12, CM13, CM14 +6 more
Sevenoaks & Swanley →
TN13, TN14, TN15, TN16, BR8
Grays, Thurrock & Lakeside →
RM15, RM16, RM17, RM18, RM19, RM20 +1 more
Orpington & the A20 Corridor →
BR5, BR6, BR7, DA3, DA4, DA13 +2 more
Every postcode district we cover
If your district is listed, we install and service gas interlock systems there.
Parts in stock — ready to fit
Held in UK stock and carried on our vans, so most jobs are fixed in one visit.
Replacement gas interlock systems
Merlin, Medem, Intelligas, S&S Northern
In stock today
Air pressure switches
Fan & gas proving pressure switches
In stock today
Gas solenoid valves
Normally closed safety shut-off valves
In stock today
Quick release gas catering hoses
Commercial ranges, bays & mobile catering
In stock today
Super universal thermocouples
Fits most commercial gas appliances
In stock today
Need a part fitted?
Same-day engineer dispatch with these parts on the van.
Gas Safe Registered
Commercial catering & plant
24/7 UK Response
Same-day emergency dispatch
Vetted Engineers
DBS checked for schools & care
Transparent Pricing
Fixed callout, quoted parts