New space
We are here to design and build your house. Increasing the space of your home.


With our team of architects and architectural designers we produce custom, unique and bespoke architectural solutions for United Kingdom homeowners.

Design and Build

With our bespoke design and build services we will start your project and finish it. Our design and build services come with optional 10 years LABC warranty.


Construction of house extensions or loft conversions. Our bespoke construction services, we can build your dream home. Covering London and Hertfordshire.


Quality and attention to detail as standard.

We pay attention to every detail, this is very important from start and delivering a quality end product would be in the details on any construction project. We understand that your house deserves the best, that is why we source quality materials from our suppliers that last many of years to come. 

Why Nuhous?


Bespoke design and build

We have excellent track record as it can be seen from our projects portfolio and reviews written by our customers, all of our customers can be confident in our knowledge and expertise. We have been delivering loft conversions and house extensions across London and Hertfordshire for over 14 years. 


You can count on us to get the job done

Our customers can rest assure in our services. We pride ourselves in trust, transparency, reliability and commitment to every one of our projects.

All of the projects receive optional LABC 10 or 12 years warranty and 12 months workmanship guarantee.  

Nuhous Architecture, Design and Construction Company London, Hertfordshire, United Kingdom, Design and build North London, Design and Build Company London

Specialists Architecture Design and Construction Company services for Loft Conversions, Home Extensions, New Builds

First class client service with high quality craftsmanship at an affordable price.

Choose the service package that suits you:

Design Phase- from architectural design, planning, building regulation approvals, surveying, party wall agreements, interior design, structural engineering we do all the consultation work to get your loft conversion or house extension approved and legal, ready for the construction phase. 


Build Phase  - we do the construction - we build your loft conversion or house extension, you supply completed design, planning approvals, party wall agreement and approved building regulations. 

you can choose both design and build package or individual packages.

Book a free architectural advice call

Free 30 min call to help you with your project, book now.

Explore and be Inspired 

Architectural Design and Planning

We take great passion in architectural design, our experienced designers work closely on each project to meet the requirement and relevant approvals from planning. 

Our design phase has a fixed fee solution. 

On design phase you will have few stages, and we will be there with you on every stage. We attend your property and survey for all the required measurements. Starting with a contact, consultation, quote, full survey, planning permission drawings, building regulation drawings, structural calculation drawings, party wall agreements.

Our Architectural Design Packages

Get started, instant quote online

Feasibility Concept


Excellent option if you are unsure  about what can be possible, it will explore possibilities or the development.



Ideal for permitted development and planning application support, where existing property plans can be supplied. 

Planning & Survey


Included is the on-site measured survey. Ideal for projects with no existing drawings available.

Building Regulations


Detailed side of the drawings for building control approval purposes.

Excluded from vat and prevailing rate. T & Cs apply.

Loft Conversions Design and Build

There are many types of loft conversions and house extensions that there are in the United Kingdom, with ones that are the most popular. To name a most popular loft conversions, there five main types of loft conversions.


  • Dormer loft conversion

  • Hip to gable loft conversion

  • L shaped loft conversions

  • Mansard loft conversions

  • Velux loft conversion.

House Extensions Design and Build

The most popular house extensions are the single storey rear house extension either with a flat roof or pitched roof that would include a velux windows or skylight, kitchen house extensions are same to the single storey house extensions, wrap around house extensions, side return house extensions, two storey house extensions to the side and rear, single storey rear house extensions and side house extensions just to name a few. 

Happy customers 

What are customers saying. Don't just take our word for it.

"Nuhous has delivered on time and within the budget. Hard work and time keeping was spot on. We had asked them to do more work than originally wanted and we are happy with the quality of the work."

Steven Watts

What to do next?

From this point you can get a free quote from us, get free advice about your loft conversion or house extension, give us a follow on social media just search "nuhous"

Get a free quote

Get a free quote for your project, design and build of the loft conversions or house extensions. Fully detailed quote.

Get free advice

You can speak to us about your loft conversion or house extension project over the phone. Book your free 30 minute architectural advice,

Fixed Fee

We have fixed fee architectural design packages for loft conversions and house extensions, find out more.

Nuhous Design Build London, Hertfordshire, United Kingdom

Architectural design services, project management, design and build company for loft conversions, house extensions and new house builds.