Garden Annexes in Sussex
NFF designs bespoke timber garden annexes at Horam for customers across East Sussex and West Sussex. Plan the layout around your space and intended use, with site requirements and delivery agreed as part of your quotation.
Create useful space beyond the main house
- Fully insulated for regular use
- Large double-glazed doors and windows
- Flexible internal layouts and finishes
Shape the space around your household
Family room
Guest sitting room
Garden lounge
Home office
Hobby room
Games room
Reading room
Household day room
What is included?
Standard Annexe specification
- Site inspection and measure
- Fully insulated timber construction
- Pressure-treated timber exterior cladding
- Wall panels with an air gap and moisture-resistant vapour barrier
- Bead-and-butt internal wall finish
- Moisture-resistant insulated flooring
- uPVC double-glazed doors and windows
- EPDM RubberCover roof with a stated 20-year life expectancy
- Made-to-order layout and glazing design
- Free delivery and installation within 40 miles of TN21 9HJ
Ways to personalise your Annexe
- Bespoke dimensions and proportions
- Alternative door and window layouts
- Additional or feature glazing
- Alternative frame colour packs
- Composite or alternative cladding
- Alternative internal panelling
- Electrical package and lighting layout
- Heating and ventilation planning
- Data and Wi-Fi provision
- Sound-reduction options
- Integrated or add-on storage
- Other requirements by consultation
Adapt the Annexe to your home
Your final quotation will reflect the dimensions, internal layout, specification, site conditions and optional features.
Three things to consider
Intended use
The proposed use will influence the required dimensions, furniture layout, insulation, heating, electrical provision and glazing.
Permissions
Planning and building-control requirements can change where sleeping accommodation or independent living facilities are proposed.
Base, access and services
Consider the base, garden access, electricity, heating, internet provision and any proposed water or drainage connections.

A bespoke annexe in Sussex
This handcrafted Sussex annexe illustrates a bespoke garden building designed around its setting. Discuss your intended use with us; residential or sleeping use needs its own planning and building regulations assessment.
View this Sussex project in our customer gallery
Planning a project in East Sussex or West Sussex? Send us your postcode and access details to confirm delivery arrangements. Visit our Horam display centre to discuss your requirements.
Explore the garden room range or compare insulated garden studios in sussex.
Garden Room Annexe FAQs
How much does an NFF Garden Room Annexe cost?
The final cost depends on the dimensions, glazing, internal layout, specification, site requirements and optional features. Use the instant quote or contact NFF for current pricing.
What is included with the Garden Room Annexe?
The published standard features include a site inspection and measure, full insulation, double-glazed windows and doors, EPDM roofing, treated timber cladding and eligible local delivery and installation.
Is the Garden Room Annexe fully insulated?
Yes. Full building insulation is included in the published standard specification, together with double glazing and an insulated, moisture-resistant floor.
Can the size and internal layout be changed?
Yes. NFF builds each Annexe to order, allowing the dimensions, glazing, doors, finishes and internal arrangement to be discussed around the available space and intended use.
Can a Garden Room Annexe be used for sleeping?
Sleeping accommodation may be possible, but it can change the planning, building-regulation, fire-safety and service requirements. Confirm the proposed use before the Annexe is designed or ordered.
Does a Garden Room Annexe need permission?
Requirements depend on the building’s size, position and intended use. Sleeping accommodation or independent living facilities can require planning permission and building-control approval, so the proposal should be checked with the relevant authorities.
What base and service connections are required?
The Annexe requires a stable, level base. Electricity, heating, internet, water and drainage requirements depend on the intended layout and should be agreed before manufacture.
Where does NFF deliver and install Annexes?
We welcome enquiries across East Sussex and West Sussex. Free delivery and installation are available for eligible buildings within 40 miles of Horam, TN21 9HJ, subject to the product, site access and quotation. Send us your postcode so we can confirm coverage and any charges before you order.
Plan your Garden Room Annexe
Tell NFF how you intend to use the space, the approximate dimensions and the facilities you may require to receive a quotation based on your property and specification.
01435 813535