Garden Room Extension: CASE STUDY
Home Extension in Wymeswold
Architectural
Design by PD
Architecture

Garden Room Home Extension - Wymeswold, Melton
Mowbray, Leicester (Charnwood
Borough Council)
- Project featured in the 'Real Homes
Magazine'
Home Extension Record Photographs
- BEFORE
Wymeswold: Original Rear Elevation
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Design Brief
PLANNING: Nestled within the
conservation area of
Wymeswold,
in Melton Mowbray, Leicestershire, this former farmhouse with
dilapidated conservatory was to be given a new rear extension to
provide a light and airy garden room, utility room and WC. Conservation Area Consent was
granted for the demolition of the UPVc conservatory, and Planning
Permission granted for the extension by Charnwood Borough Council.
Although the extension was quite large for a conservation area,
above and beyond the homeowners normal permitted development rights, the
planning authority took the view that the sympathetically designed
extension based on the same
footprint as the UPVc conservatory would both enhance the
conservation area and remove the UPVc conservatory structure which
was not in keeping with the
conservation area status of the site.
INTERNAL
ENVIRONMENT: Internally, the feature glazed gable, vaulted ceiling
and rooflights helped to provide a light, contemporary and luxurious
feel to the new extended area of the building, whilst facilitating
ample borrowed light to the rooms of the
dwelling that were extended. (It is important that extensions
do not leave dark spaces behind them within the existing rooms from
which an extension is built, this can be offset by creating very
light and open spaces within the extension to ensure sufficient
borrowed light is created, or where possible providing additional
windows on the side elevation to serve the existing rooms where a
rear extension is being created).
TECHNICAL
AND GREEN DESIGN PRINCIPLES: The south facing glazed screen also
gave the opportunity for the building to benefit from the provision
of passive solar gains to supplement the conventional heating system
by natural means in the winter
months. (Being as the property was located in a conservation area,
heavily shaded in the summer,
and benefited from natural slate roofing materials, the homeowners
preferred not to attach solar panels to the property and as such
natural passive heating principles were introduced into the design).
The garden area, heavily shaded in the summer months by the adjacent deciduous tree line
and mature planting to the garden coupled with the raised garden area avoids the
extension overheating in the summer months. Whilst, in the
winter months, when the sun is lower and the foliage on the trees
and shrub planting dies back, the property then benefits from a natural
passive solar gains owing to the height and scale of the glazed
screen. The high thermal mass of the internal masonry structure
of the building then
allows the property absorb the heat in the daytime, whilst gradually
releasing the energy as the temperature falls at night, helping to regulate a
consistent internal temperature. To further control unwanted passive solar gains in the summer, blinds were fitted to the glazed
screen and rooflights, with the high level rooflights also opening
via remote control to facilitate additional rapid ventilation
working in conjunction with the french doors and glazed screen
openings giving a fully controllable passively heated environment.
EXTERNAL
AESTHETIC: The existing painted brickwork of the property gave the
opportunity to seamlessly blend the new and old walling materials
together. The extension was painted with a white masonry
paint, whilst the main dwelling was also repainted to blur the
junction between the new and old. The existing natural slate
roof was also replicated on the extension to give a simple and
consistent material palette. As the rear garden was elevated
from the dwelling, the glazed screen reaching up into the gable
maximised both the view and natural lighting available to the
homeowner whilst providing a dramatically styled extension. To fully
refurbish and upgrade the external elevation, the existing first
floor UPVc windows were replaced with matching oak windows more
befitting a conservation area siting.
Completed Home Extension Project -
AFTER
Wymeswold
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