Welcome to GAS & PAT


Our engineers wear company uniforms so you or your tenants will undoubtedly recognise who they are before allowing them into your property.

Our friendly Staff in the Office will deal with all your enquires on the day and without delays.


Our Vans are fully equipped with the required tools and materials.

This enables our office staff to effectively liaise and communicate with our engineers and therefore the quotations and invoices can be sent out to you promptly.

Digital pictures can also be taken upon request.

Gas Safe Registered Engineers

Our engineers are Gas Safe registered and have been trained extensively both in practice and in college.

Their area of expertise includes, but it’s not limited to:

Gas related works – Installation/conversion of central heating systems, gas leaks, boiler services, mortgage reports, boiler repairs and all plumbing related works (pumps/radiators replacements, etc.)

NICEIC Approved Electrical Contractors

Our Electricians are NICEIC registered and keep their annually CPD certification up to date.

They will initially carry out a full survey and then provide you with a quote for the required works.

Upon completion you will be given a certificate.


Our estimators will advise on site what works can be carried out, which works are the most appropriate and if planning permission is required.

The estimates/quotes are sent out within one – two working days. Pictures can also be taken and sent out along with the estimate/quote.


Our builders have over 20 years’ experience in building anything from a wall to a two-three storey house.

Roof works, floor and wall tiling, loft conversions, side extensions, shop refurbishments, plastering, kitchen and bathroom fittings are only a few of the works carried out by our builders.


With over 30 years’ experience we provide (internally and externally) impeccable painting and decoration services for residential homes and offices.

All working areas, furniture, floors will be protected throughout.

Our Unique Selling Points

  • Our prices are highly competitive ad can be adjusted if need be!
  • We pride ourselves in completing all works to the highest standards.
  • If any of your requirements is not listed above please do contact us and we will endeavour to assist or provide you with a solution to your query.
  • Capital Service Engineers Limited is fully insured and all parts/materials are guaranteed by manufacturers’ warranty.

Capital Service Engineers Limited is fully insured and parts are guaranteed by manufacturers’ warranty.

Please feel free to contact us for any questions that you may like to ask and we will endeavour to help in every way we can to make your life a lot easier.

Our prices are highly competitive! All our works are completed by our fully qualified Engineers to a high standard. Any problems you may encounter our office staff will be more than happy to resolve your queries.

Founded by Roy Oomerjee in his early 20s (back in 1980’s) gasandpat.com (a trading name of Capital Service Engineers Limited) has established itself as one of the most prestigious providers of construction works, gas and electrical works, residential and commercial decoration works.

From initial design and project scope to achieving goals and deliverables to a high end finish.

Call us now on: 020 8621 0440