TRJ Construction Ltd

Granny Annexe
Rating (average): (2)
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Business Name: TRJ Construction Ltd
Business Category:
Short Business Description:

TRJ Construction Ltd is a UK firm specializing in the construction of quality garden rooms ,garden office ,man cave and granny annexe using SIP panels

Long Business Description:

Our modern and contemporary modular garden rooms ,garden offices and granny annexe  go way beyond building normal building standards. They provide the ideal home improvement product that quickly expands your living space and adds value to your property. Installed with minimal disruption, usually without the need for planning permission   Our Garden Buildings  are the perfect solution for expanding your living space. Whether you want a new office, gym or guest room, our range of traditional lodges are sure to meet your needs. We offer a wide range of bespoke garden buildings, which include lodge, barn, shed, garage, workshop, office, gym, games room, playroom, study, utility room, laundry, toilet, shower, sauna, sun lounge, barbecue area, children’s playhouse, greenhouse, conservatory, pool house, log cabin, gazebo, summerhouse, lean-to, pergola, outdoor kitchen, terrace, patio.

Business Phone Number: 07966800519
Mobile Phone: 07966800519
Business Website Address:
Business opening hours: Mon-Friday 8:00-17:00
Business Address: 39 Rushleigh Avenue
City: Waltham Cross
Postcode: EN8 8PP
County: Hertfordshire
  • Interior Granny Annexe
  • Granny Annexe
  • Garden room
  • Man Cave
  • Man Cave
  • Garden Office
  • Garden Office
  • Recreation space
  • Bespoke garden room


TRJ built a garden room office / studio for me in June '21 and did a simply superb job. Access to our garden is really difficult (all comes through the house) and Costi and has team took great care bringing everything through. The team are punctual, polite and professional. Costi gives great advice and deals with issues with no fuss. Highly, highly recommend
Martin | November 16, 2021
TRJ built a Garden office for me with bathroom and kitchen. Absolutely professionals. Fast, clean, polite, a pleasure to have at the house. Since building the garden room I've re-engaged TRJ for other building and maintenance projects. Can't recommend them highly enough.
Luke | November 15, 2021

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TRJ Construction Ltd