Bespoke Home Extensions

Less time. Less cost. Less hassle.

Our bespoke, structural steel frame modular extensions are the perfect solution for all those seeking an exceptional quality, building control approved house extension at an affordable, fixed and inclusive price with an industry leading 10 year guarantee on all builds.

Peat Beat Guarantee. Please contact for T&Cs

A Complete 'Turnkey' Service: From Planning to Handover

Construction worker in high-visibility vest and hard hat operating a green machine at a building site with exposed brickwork and steel beams.
Modern kitchen with grey cabinets, white countertops, central island, pendant lights, and light wood flooring.Modern bathroom with a white rectangular sink on a metal frame, green and yellow towels underneath, green subway tiles in the walk-in shower with glass door and built-in shelf holding toiletries and a plant.


We provide the essential accompanying works needed to deliver a complete modular building solution — all carried out as part of our full-package turnkey service.

Structural Works / Alterations

- Creation of new or modification of existing structural openings.
- Installation of new structural beam supports with associated foundations as required
- Fully CDM compliant installation including temporary propping
- Once opening works are complete we install temporary hoarding to protect the existing property whilst our works are being undertaken.

Kitchens and Bathrooms

- Complete interior fit out services that complete your project
- Coordinated installation aligned with the wider build schedule

Demolition and Ground Preparation

- Removal of existing structures where required for the new build
- Groundworks that prepare your plot for a safe, accurate installation

Drainage and Landscaping

- Essential connections to support your new space
- Final touches that help the building settle naturally into its setting

Loft Extensions

All services noted above are only available if instructed alongside one of our extensions.

Vita Modular install modular extensions nationwide
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Our Modular Extension Range - bespoke manufactured to any shape or size.

Vita 15 SQ/M Home Extension

We built this 5m x 3m contemporary fully glazed rear single storey extension including significant structural alteration works for our client in Cheltenham.

Built using the unique Vita Modular system and installed with full rear elevation glazing for maximum natural light penetration.  

All our prices are inclusive of VAT, foundations, structural steel frame, external walls, silicon render, flat roof, painted walls & ceilings, electrics & lighting, flooring and up to 3m wide Aluminium or UPVC doors / windows.

Dimensions
5m wide x 3m deep (15 SQ/M)
Price from (Inclusive of all above)
£45,000 inc. VAT
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Vita 15 SQ/M Home Extension

Vita 18 SQ/M House Extension

This traditional building is transformed with the modern expansive glazed extension which maximises the views out over the perfectly manicured landscaped gardens.

Our extension systems are available in any uPVC or Aluminium bi-folding, sliding or french door configurations.

Dimensions
6m wide x 3m deep (18 SQ/M)
Price from (Inclusive of all above)
£54,000
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Vita 18 SQ/M House Extension

Vita 21 SQ/M Wrap Around Extension

A simple but elegant single storey wrap around (side and rear) extension on a tight access site in London covers a total floor area of 21 SQ/M.

Built using the unique Vita Modular system and finished with beautifully clean contemporary silicon thincoat render finish which requires no maintenance and anthracite grey Aluminium glazing.

All Vita extensions are available in any bespoke size or configuration and we can incorporate any number of additional extra's like decked areas, canopies, roof projections, roof glazing, structural alterations, kitchens, bathrooms and underfloor heating etc. to maximise your extensions functionality.

Dimensions
7m wide x 3m deep (21 SQ/M)
Price from (Inclusive of all above)
£63,000 inc. VAT
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Vita 21 SQ/M Wrap Around Extension

Vita 40 SQ/M House Extension

This expansive 40 SQ/M extension in Milton Keynes exudes luxury with its clean geometric lines and crittal style Aluminum glazing. Finished in our masonry brick system system that's an exact match to the existing house which creates a beautiful, elegant and refined appearance to this extension.

Dimensions
10m wide x 4m deep (40 SQ/M)
Price from (Inclusive of all above)
£125,950 inc. VAT
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Vita 40 SQ/M House Extension

Vita 2 Storey Modular House Extension

Our versatile 2 storey modular builds are the perfect alternative to time consuming and disruptive traditional extensions.

Our bespoke prefabricated extensions are 100% tailored to your exact specifications ,allowing you to complement or contrast your existing building.

We can quote for additional services & works including planning + building regulation design fees, matching masonry brick slips, drainage works, structural openings, underfloor heating, roof lights / lanterns, pitched roofs, kitchen & bathroom installations to name just a few. We offer an unrivalled range of traditional and contemporary exterior finishes along with any available enhancement on windows, doors, glazing, roof-lights / lanterns, energy efficiency options and ancillary or fit-out works.

All our prices are inclusive of VAT, foundations, structural steel frame, external walls, silicon render, flat roof, painted walls & ceilings, electrics & lighting, flooring and up to 3m wide Aluminium or UPVC doors / windows.

Dimensions
Example: 5m x 4m Ground & First Floor = 40 SQ/M TOTAL AREA
Price from (Inclusive of all above)
£117,750 inc. VAT
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Vita 2 Storey Modular House Extension

Bespoke House Extension and New Builds

Vita Modular’s 100% bespoke extensions and new builds redefine what it means to build your own space. Every detail - from form and function to texture and tone - is crafted around your vision. Whether you dream of a seamless addition that melts into its surroundings or a bold statement piece that dares to stand apart, we can make it possible. Any shape, any size, any configuration - your imagination sets the boundaries, and we bring it to life with precision and purpose. All this is on offer whilst upholding the Vita Modular principles of complete price transparency, total flexibility, and uncompromising build quality.

Dimensions
Bespoke
Price from (Inclusive of all above)
Price on application
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Bespoke House Extension and New Builds

What's included as standard with our prices?

Building Foundations
Building Foundations
Electrics and Lighting
Electrics and Lighting
10 Year Warranty
10 Year Warranty
Aluminium Windows & Doors
Aluminium Windows & Doors
Flat roof icon
Flat Roof
Vat icon
VAT
Management of planning permission, statutory and building control approvals
Management of planning permission, statutory and building control approvals
Silicon render or exterior cladding finish
Silicon render or exterior cladding finish
Internal tape, joint and painted ceilings & walls
Internal tape, joint and painted ceilings & walls
Flooring icon
LVT flooring
Bespoke Modular Extensions

Built to your design. Engineered for performance.

100% bespoke modular extensions — any shape, size, or configuration — connecting seamlessly to any building type or age. Manufactured off-site, installed nationwide, fully compliant with current UK building regulations.

What We Build

Six extension types, infinitely configurable

Type 01
Rear Extension

Extending out into your garden — the most popular way to add open-plan kitchen, dining, or living space to the back of your home.

Type 02
Side Extension

Filling unused space alongside your property to widen ground-floor rooms or add a utility, snug, or home office.

Type 03
Wrap Around

An L-shape combining rear and side extensions in one — the most transformative single-storey option for opening up the ground floor.

Type 04
Two Storey Extension

Doubling up on space by extending both ground and first floors — ideal for adding bedrooms and en-suites alongside living space.

Type 05
Side Return

Filling in the narrow alley alongside a Victorian or Edwardian property to create wider, brighter, more usable kitchen space.

Type 06
Air Space

Building upwards over existing structures — perfect for adding a new floor to bungalows, flats, or commercial buildings.

The Vita Difference

Faster, cleaner, and built to last

Precision off-site manufacture

Hand-crafted at our Warwickshire facility, then assembled on site with minimal noise, mess, or disruption — no cranes or heavy lifting required.

Fits any site, any home

Every component is designed to install through the tightest access. Architecturally matched to your existing dwelling or designed as a bold statement build.

Enhanced thermal performance

Structural steel frame engineered for optimum performance and thermal efficiency — exceeding the standard of traditional builds.

Fully compliant

Every build meets the latest UK building regulations and is approved by building control authorities. We manage planning and statutory approvals for you.

Add anything you need

Decked areas, canopies, roof glazing, structural alterations, kitchens, bathrooms, underfloor heating — anything that maximises functionality.

Nationwide service

From London to anywhere in the UK — we install across the country with the same fixed-price commitment and end-to-end management.

Ready to start your project?

Get an instant fixed price for your bespoke modular extension — no obligation, no hidden extras.

Benefits of Vita Modular Builds

Speed & Timeline

Our modular builds

Up to 70% faster with a 4–6 week lead time.

Traditional construction

Longer build times, prone to on-site delays.

Cost & Pricing

Our modular builds

Fixed, all-inclusive price with approx. 25% savings.

Traditional construction

Variable costs that often exceed the budget.

Location

Our modular builds

Nationwide coverage.

Traditional construction

Typically restricted to local projects.

Quality & Standards

Our modular builds

Factory-controlled standards for consistently high quality.

Traditional construction

Quality depends on site conditions and labour.

Design & Customisation

Our modular builds

Full design flexibility and customisation options.

Traditional construction

Customisations are complex, slow, and expensive.

Certainty & Assurance

Our modular builds

Fixed dates, 10-year warranty, lender-approved.

Traditional construction

Uncertain completion dates and financing.

Process & Compliance

Our modular builds

A fully managed, compliant, streamlined process.

Traditional construction

Often requires managing multiple contractors.

Site Impact

Our modular builds

Minimal on-site waste and disruption.

Traditional construction

Significant waste and prolonged disruption.

Please swipe on table to see full details

Pricing

Dimensions (External)3.0m4.0m5.0m6.0m7.0m8.0m9.0m10.0m
3.0m£34,500£36,600£45,500£54,400£63,300£72,200£81,100£90,000
3.5m£35,500£42,200£52,750£63,300£72,850£83,400£93,950£104,500
4.0m£36,600£47,800£60,000£72,200£84,400£90,600£108,800£120,000
4.5m£40,550£54,400£67,250£81,100£93,950£107,000£120,650£132,500
5.0m£45,500£60,000£75,500£89,000£104,500£121,000£142,500£150,000

The above prices are inclusive of 20% VAT, foundations, structural steel frame, external walls, silicon render or cladding, flat roof, painted walls & ceilings, electrics & lighting, flooring and up to 3m wide Aluminium doors / windows.

Exclusions: Demolitions, ground preparation, drainage works, professional fees, statutory approvals and new structural openings - all can be quoted for as required.

Take a look at our Case Studies

At Vita Modular we take great pride in our work and find it incredibly rewarding hearing from our clients once they have had time to use and enjoy the new space we built for them. Below are just a few case studies, some with full video testimonials, of our recently completed projects - keep checking back as we're adding new case studies on a regular basis...

2 Bedroom Bespoke Granny Annexe

Contemporary Kitchen Extension Warrington

Two-Storey Rear Extension Tunbridge Wells

Wrap Around Kitchen Diner Extension

Rear House Extension & Structural Remodel Dulwich

Kitchen Extension Oxford

Bespoke Dual Garden Rooms Maximise Home and Work Life

Modern Garden Room

Contemporary Garden Room in St Albans

Modern Home Extension Warwick

5m x 3m Extension in Cheltenham

Kitchen Extension Oxford

Rear House Extension & Structural Remodel Dulwich

Two-Storey Rear Extension Tunbridge Wells

2 Bedroom Bespoke Granny Annexe

3m x 3m Extension in Cirencester

7m x 4m Extension in Stratford Upon Avon

Wrap Around Kitchen Diner Extension

Extension and Refurbishment in Rutland

Bespoke Dual Garden Rooms Maximise Home and Work Life

Contemporary Kitchen Extension Warrington

Garden Office - Stratford Upon Avon

Contemporary Garden Room in St Albans

Modern Garden Room

Garden Room - Physiotherapy Studio in Lichfield

Modern Home Extension Warwick

Holywell Road, Abergavenny, Wales

Garden Office - Muswell Hill, London

Contemporary One Bedroom Annexe - Croydon

House Extension in Wood Green, London

Garden Room in Windsor

Isle of Dogs Rear Home Extension

Bespoke Modern Home Extension in Bedford

Garden Studio, Norfolk

Modern Home Extension in Surbiton

Our Turnkey Process

How our Design & Build Process Works

From your first enquiry to the moment we hand over the keys, our six-step process is designed to be transparent, efficient, and built around a fixed price commitment.

Step 01

Enquiry

Complete our customer enquiry form for an instant fixed price so we can fully understand your project requirements. One of our dedicated team members will contact you to arrange a design consultation.

2 weeks
Step 02

Planning & Design

Where planning permission is required, our in-house design team prepares and submits all necessary drawings and supporting documentation on your behalf.

12 weeks
Step 03

Contract

We'll issue a fully regulated JCT fixed price contract covering our terms and conditions, technical drawings, agreed payment plan, and a committed installation date — giving you total cost certainty and peace of mind.

1 week
Step 04

Manufacture

Our team begins manufacturing at our Warwickshire production facility to hand-craft your modular project, and books in our installation crew for the agreed date.

4 weeks
Step 05

Installation

Around a week before the agreed install date we'll confirm any final arrangements. Our installation team arrives on the morning of your install date, ready to build.

6 weeks avg
Step 06

Handover

We complete final snagging and walk you through your new space, providing all completion and compliance certifications — including full building control sign-off — before handing over the keys.

Ready to start? Get your instant fixed price today.

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benefits

Our Extensions are designed, built and engineered to perfection

Designed & Built in the UK

We use the most advanced modular construction technology to hand-craft every structural steel frame modular Extension at our Warwickshire production facility.

Built to UK Building Regulations

Our Extensions comply with all aspects of current UK building regulations, so you not only have complete peace of mind that your extension is built to last but you also have a space that can be comfortably used all year round.

One Price; No Hidden Extras

Our Extension prices include everything from delivery, installation, foundations, doors & windows, external walls & cladding, painted internal walls, electrics, lighting and flooring.

Bespoke

Our distinctive range of exterior cladding finishes and architectural embellishments is quite simply unparalleled. There are no limits to the space we can create for you.

Lead time

We are proud to offer an industry-leading guaranteed 6 week lead time from the date of order.

10 Year Warranty

We’re so confident in the longevity and performance of our Extensions that we offer an industry-leading 10 year  warranty as standard. Insurance backed warranties are also available.

Frequently Asked Questions (FAQs)

Can you do 2 storey modular extensions

Yes we've recently launched our 2 storey modular extension system, please enquire for further information.

What other building services can you offer

We can offer any additional ancillary building service to your Extension project including installations of structural openings, kitchens, bathrooms, underfloor heating, plumbing, electrics, landscaping and demolition works to name a few. Please just ask us.

What's included in the price of your buildings

As standard our Extension prices are inclusive of VAT, foundations, external walls & finishes, flat roof, painted walls & ceilings, electrics & lighting, flooring and glazing.

Do your Extensions come with a guarantee

All customers receive a comprehensive, assignable 10-year warranty on the structural frame of your Vita garden room. Glazing, electrics, trims and all internal finishes are covered with an equivalent 2 year warranty.

Do I need building control approval for my extension

Yes all extension works require building control approval. Our system and all of our works are building control compliant. We will need the architect and engineer to prepare building control drawings. You can find out more information about the building control process below:

Homeowners guide to Building Regulations

Building Regulations

Building control fees are not included in our prices and will be itemised separately in your Estimate. We will manage the whole building control process for you.

What are the exterior cladding finish options you offer

We offer any of the following exterior options but we can use almost any exterior finish available on the market to curate your bespoke modular building including brick slips and thincoat silicon render as standard. Some of the other available exterior options are Brick, Redwood timber, Metal cladding, Green wall, Composite Decking and Fibre cement board

What access do you need for installation

We will assess your properties access during the site visit. The nature of our modular sytem means it can be manoeuvred and installed from even the tightest access restrictions.

Do you offer finance plans

Unfortunately we don’t currently offer any finance plans at present but we do offer a payment plan which starting with 40% deposit is then spread over the 6 weeks from date or order to install. The final 20% payment is not due until completion and handover of works. We can also accept debit and credit cards (card processing fees apply) enabling you to put in place flexible repayment plans with your card provider.

Did you find what you were looking for?

We want to make sure you have all the information you need about Vita Modular.

If you didn't find what you were after, or if you have any questions, please don't hesitate to get in touch.

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