Browse 12 extension looks for a terrace house, where the new room can only go back or up and gets no side windows, then see what each one involves.
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A terrace house can only extend backwards into the yard or upwards over the kitchen, because both sides are party walls. That makes light the main design problem: the new room has no side windows, so roof lights, clerestory strips, high louvres, a light well or glazing at the back carry the design. The other problem is the junction, where the new roof meets the old house and the neighbours' walls. These 12 concept designs show rear rooms, upstairs rooms and the details that keep them bright and dry. Every extension needs approved plans before work starts.
Each design below is an illustrative concept render of a terrace house extension. Filter them by style, by roof light and air, or by upstairs rooms. Tap any image to enlarge it. Every card links to the ClickBina guide that covers the work behind that look.
12 designs shown
Illustrative concept design · Tropical · Terrace
A white rear room with a band of louvre vents above the glass doors at the back, a roof light strip above it and a timber dining set in the middle.
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louvre window replacement →Illustrative concept design · Modern · Terrace
A white living room in a rear extension under a large open skylight well with cove light along its edges, a pale sofa, a wall TV unit and glass doors to the yard.
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skylight costs →Illustrative concept design · Modern · Terrace
A glass-roofed passage on black steel beams beside the kitchen, with potted tropical plants along a white boundary wall and sun on the floor.
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skylight costs →Illustrative concept design · Practical · Terrace
A white laundry room with a front-loading washer, a worktop and sink, a hanging ceiling drying rack and a wide window with blinds.
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laundry area designs →Illustrative concept design · Tropical · Terrace
A dining room with black-framed glass doors open to a paved yard with potted palms, glazing along one side, a timber table and a sideboard.
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folding glass doors →Illustrative concept design · Industrial · Terrace
A kitchen extension under a pitched timber-lined ceiling with black steel rafters, a roof light and a ceiling fan, a long grey island and a sliding glass door.
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metal roof sheets →Illustrative concept design · Tropical · Terrace
Black-framed glass doors opening onto a small white open-air courtyard with white pebbles and one potted plant under open sky.
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rear kitchen extensions →Illustrative concept design · Modern · Terrace
Light grey large-format tiles running level from the kitchen into a white room under a roof light, with no step or sill between them.
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steps and ramps →Illustrative concept design · Practical · Terrace
Grey tiled steps going down between white walls, with stainless steel handrails on both sides, to a white back door.
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steps and ramps →Illustrative concept design · Tropical · Terrace
A living area with a grey sofa facing black-framed glass doors open to a small lawn backed by a tall green hedge wall.
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vertical gardens →Illustrative concept design · Practical · Terrace
A back-lane view of a single-storey painted brick extension with a terracotta tile roof, a shuttered window and a grey back door, with a drain grating along the lane.
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brick types →Illustrative concept design · Modern · Terrace
A small white study with an oak desk and a white chair under a high horizontal window strip, a slim shelf above the desk.
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built-in study desks →These are illustrative concept designs created to show terrace extension options. They are not completed ClickBina projects. We build rear and upstairs extensions as part of our renovation work once the plans are approved, and your extension is assessed and quoted to its own lot, structure and approval.
More galleries: browse all design ideas by area of the house, from cabinets and kitchens to porches and grilles.
A terrace extension starts from three fixed facts. Both sides are party walls, so the new room cannot have side windows. The back of the lot ends at the back lane or the drain reserve, so the room can only go so far. And the new roof has to meet the old house and the neighbours' walls without leaking. Everything else is a choice.
If you only need shelter for laundry or a work area, compare it with a roof cover first: back yard roof cover or full extension sets out the difference.
| Option | What you gain | Light | Approval |
|---|---|---|---|
| Roof cover over the yard | Shelter for laundry and storage | Good with a clear roof | Check with the council |
| Rear room, ground floor | A full room: wet kitchen, dining, family | Roof light, back glazing | Approved plans needed |
| Rear room with a light well | A room plus a bright old kitchen | Courtyard light both ways | Approved plans needed |
| Upstairs over the kitchen | A bedroom, study or laundry | Back windows, roof light | Approved plans and a structural check |
| You need | Usually works | Hand-off |
|---|---|---|
| A wet kitchen | A rear room with high louvres and a hood duct out the back | Wet kitchen design gallery |
| A dining or family room | Folding doors to a small yard and a roof light | Folding door guide |
| Laundry and drying | A covered yard or an upstairs drying room | Laundry area guide |
| A quiet room | An upstairs study with a high window strip | Built-in desk guide |
Because the side walls are shared, light has to come from the roof or the back. A skylight over the darkest part of the room, a clerestory strip set above the neighbour's roof line, or a band of high louvres on the back wall each bring in daylight; louvres also let hot air out.
Under a metal roof, plan roof insulation before the ceiling goes up, or the room will be hot in the afternoon. Where the new roof meets the old wall, the roof flashing guide explains the apron and step flashing that keep that joint dry.
ClickBina's rear kitchen extension guide quotes the extension guide's range for a full rear extension at RM40,000 – RM120,000, with a wet kitchen adding RM10,000 – RM30,000, and metal-deck roofing at RM12 – RM20 per sq ft. The roof cover or extension guide lists a basic rear room at RM18,000 – RM50,000.
For the light and doors, the skylight cost guide puts a basic fixed polycarbonate skylight at RM1,500 – RM4,000 and a mid-range fixed glass skylight at RM4,000 – RM9,000, and the folding door guide puts a bi-fold or stacking sliding door at RM4,000 – RM12,000. Plan fees and approval costs are separate. These are indicative Klang Valley figures for 2026.
We build rear and upstairs extensions as part of our renovation work, from the structure and roof to the finishes, once the plans are approved. WhatsApp us your job details for a quote: what the room is for, how deep your back yard is, whether you want to go back or up, and the looks from this page you like. ClickBina is an experienced KL & Selangor contractor, and we reply within the hour with next steps. The price we agree is a flat price with no hidden charges.
About the images: every image on this page is an illustrative concept design generated to show a terrace extension option. Captions describe what each render shows. RM figures are quoted unchanged from the ClickBina guides named above, indicative Klang Valley ranges for 2026.
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