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Exterior and Structure3 min read

Garden Fences for London Victorian Terraces: Timber, Planning Rules, and Costs

Garden fences are the lower-cost, faster-to-install alternative to masonry boundary walls for defining the rear garden boundaries of London Victorian terraces. Unlike the original London stock brick party walls (which define the long side boundaries and sometimes the rear boundary of Victorian terrace rear gardens), timber fences are typically used to subdivide a shared rear access alley, to extend an existing wall that has failed, or to create a lower-cost new boundary where none previously existed. This guide covers the timber fence options most appropriate for London Victorian terrace rear gardens, the planning and Party Wall Act rules, and the costs.

Key Takeaways

  • Rear garden boundary fences up to 2m high are permitted development (no planning) — fences adjacent to a highway (front/side) are limited to 1m without permission
  • The Party Wall Act does not apply to fences themselves, but may apply if deep post footings are within 3m of a neighbouring foundation or if the fence attaches to a shared party wall
  • Always install concrete gravel boards at the base of any timber fence — they prevent ground contact and significantly extend the life of the fence boards
  • For contemporary London Victorian terrace garden projects: horizontal slatted hardwood fence (garapa, cumaru, iroko) with galvanised steel posts — 25+ year durability, no treatment required
  • Boundary responsibility is determined by the title deeds (Land Registry T/L marks) — confirm before replacing any boundary fence
  • Costs: closeboard fence 1.8m (per metre run) £80-160/m; concrete gravel board + closeboard £100-180/m; slatted hardwood fence £200-400/m

Fence Types, Timber Specification, and Fixings

COMMON FENCE TYPES FOR LONDON VICTORIAN TERRACE REAR GARDENS: 1. CLOSEBOARD FEATHERBOARD FENCE (THE STANDARD UK GARDEN FENCE): - VERTICAL OVERLAPPING FEATHER-EDGE BOARDS (TYPICALLY 100MM × 12MM TAPERED — WIDER AT TOP, NARROWER AT BASE) NAILED TO HORIZONTAL RAILS (ARRIS RAILS — TRIANGULAR PROFILE RAILS MORTICED INTO THE UPRIGHTS, OR FLAT RAIL SYSTEMS). - THE MOST COMMON FENCE TYPE IN LONDON VICTORIAN TERRACE REAR GARDENS — COST-EFFECTIVE, PROVIDES GOOD PRIVACY SCREENING, AND IS EASY TO REPAIR (INDIVIDUAL BOARDS REPLACED AS NEEDED). - TYPICAL HEIGHT: 1.5-1.8M (6 FEET — THE STANDARD REAR GARDEN PRIVACY FENCE HEIGHT IN LONDON). - TIMBER SPECIFICATION: PRESSURE-TREATED SOFTWOOD (TANALISED) — TYPICALLY SCANDINAVIAN REDWOOD OR WHITEWOOD TREATED TO UC3B OR UC4B (GROUND CONTACT AND ABOVE GROUND EXPOSURE) — PROVIDES 15-25 YEAR DURABILITY WITHOUT ADDITIONAL TREATMENT.

2. SLATTED FENCE (HORIZONTAL BOARDS — CONTEMPORARY): - HORIZONTAL BOARDS WITH GAPS (TYPICALLY 5-20MM GAP BETWEEN BOARDS) FIXED TO VERTICAL POSTS. PROVIDES A CONTEMPORARY AESTHETIC — WIDELY USED ON LONDON VICTORIAN TERRACE REAR EXTENSION AND GARDEN PROJECTS WITH A MODERN DESIGN LANGUAGE. - TIMBER SPECIFICATION: HARDWOOD (GARAPA, CUMARU, IROKO — NATURALLY DURABLE CLASS 1-2; NO TREATMENT REQUIRED FOR ABOVE-GROUND USE) OR TREATED SOFTWOOD. HARDWOOD SLATTED FENCING IS MORE EXPENSIVE BUT LASTS 25+ YEARS WITHOUT MAINTENANCE. - NOTE: GAPS IN THE FENCE PROVIDE LESS PRIVACY SCREENING THAN CLOSEBOARD — CONFIRM PRIVACY REQUIREMENTS WITH THE HOMEOWNER BEFORE SPECIFYING.

3. TRELLIS (AS FENCE EXTENSION OR STANDALONE): - TRELLIS PANELS (DIAMOND OR SQUARE PATTERN — 50MM OR 75MM GRID) FIXED TO POSTS OR AS AN EXTENSION ABOVE AN EXISTING WALL OR FENCE. TRELLIS AS A FENCE EXTENSION ABOVE A WALL OR FENCE MAY BE PERMITTED DEVELOPMENT UP TO 2M TOTAL HEIGHT (WALL + TRELLIS). - NOTE: A PLANNING AUTHORITY MAY CONSIDER A TRELLIS THAT IS OPAQUE (COVERED WITH CLIMBING PLANTS) TO BE A \'WALL\' FOR PLANNING HEIGHT CALCULATION PURPOSES — CONFIRM WITH THE LPA IF CLOSE TO OR AT THE 2M LIMIT.

4. CONCRETE GRAVEL BOARD + CLOSEBOARD: - CONCRETE GRAVEL BOARDS (150MM HIGH × 50MM THICK PRECAST CONCRETE PANELS) FIXED BETWEEN POSTS AT THE BASE OF THE FENCE PANEL — KEEPS TIMBER BOARDS CLEAR OF GROUND CONTACT (WHERE MOST FENCE DECAY BEGINS), SIGNIFICANTLY EXTENDING LIFE. - THE MOST PRACTICAL SPECIFICATION FOR LONDON VICTORIAN TERRACE REAR GARDENS WHERE THE GROUND MAY BE UNEVEN, WET, OR SUBJECT TO FREQUENT LEAF ACCUMULATION.

FENCE POSTS: FENCE POSTS ARE THE SINGLE MOST IMPORTANT ELEMENT OF ANY FENCE — A FENCE HELD IN GOOD POSTS IN GOOD CONCRETE WILL OUTLAST A FENCE IN FAILING POSTS BY DECADES. - TIMBER POSTS: PRESSURE-TREATED SOFTWOOD 75MM × 75MM (FOR FENCES UP TO 1.2M) OR 100MM × 100MM (FOR FENCES 1.2M-1.8M). SET IN CONCRETE (POST-MIX — 20KG DRY MIX PER POST HOLE, MIXED IN THE HOLE WITH WATER) OR IN METAL SPIKE ANCHORS (FASTER — NO EXCAVATION, BUT LESS SECURE IN CLAY). - POST-SPACING: TYPICALLY 1.8-2.4M CENTRE-TO-CENTRE DEPENDING ON FENCE PANEL SIZE. - METAL POSTS: GALVANISED STEEL SQUARE-SECTION POSTS (50MM × 50MM OR 60MM × 60MM) WITH POWDER-COAT FINISH — IDEAL FOR CONTEMPORARY SLATTED HARDWOOD FENCE DESIGNS WHERE A SLIM VISIBLE PROFILE IS REQUIRED.

Planning Rules, Party Wall Act, and Costs

PLANNING RULES FOR GARDEN FENCES ON LONDON VICTORIAN TERRACES: FENCE PERMITTED DEVELOPMENT RULES (SCHEDULE 2, PART 1, CLASS A — ENGLAND): - FENCE, WALL, OR GATE ADJACENT TO A HIGHWAY: MAXIMUM HEIGHT 1M WITHOUT PLANNING PERMISSION. (A \'HIGHWAY\' INCLUDES ROADS, FOOTPATHS, AND PUBLIC RIGHTS OF WAY — FOR A TYPICAL LONDON VICTORIAN TERRACE, THE FRONT BOUNDARY FENCE/GATE IS ADJACENT TO A HIGHWAY). - FENCE, WALL, OR GATE IN ANY OTHER LOCATION (REAR GARDEN BOUNDARY): MAXIMUM HEIGHT 2M WITHOUT PLANNING PERMISSION. - CONSERVATION AREA: THESE PERMITTED DEVELOPMENT RIGHTS APPLY IN CONSERVATION AREAS — BUT MANY LONDON CONSERVATION AREAS HAVE ARTICLE 4 DIRECTIONS RESTRICTING FRONT ELEVATION FENCE/GATE ALTERATIONS. REAR GARDEN BOUNDARY FENCES (NOT VISIBLE FROM THE HIGHWAY) ARE GENERALLY PERMITTED DEVELOPMENT UP TO 2M EVEN IN CONSERVATION AREAS. - LISTED BUILDING: LISTED BUILDING CONSENT IS REQUIRED FOR ANY FENCE WITHIN THE CURTILAGE OF A LISTED BUILDING.

PARTY WALL ACT AND GARDEN FENCES: THE PARTY WALL ACT 1996 DOES NOT APPLY TO TIMBER FENCES THEMSELVES (FENCES ARE NOT \'WALLS\' FOR THE PURPOSES OF THE ACT). HOWEVER: - IF FENCE POSTS INVOLVE EXCAVATION WITHIN 3M OF A NEIGHBOURING PROPERTY FOUNDATION AT A DEPTH LOWER THAN THAT FOUNDATION: SECTION 6 NOTICE MAY APPLY — RARE FOR A TYPICAL GARDEN FENCE, BUT RELEVANT WHERE DEEP CONCRETE POST FOOTINGS ARE DUG CLOSE TO THE BOUNDARY. - IF THE FENCE IS ATTACHED TO A PARTY WALL (E.G., A FENCE PANEL FIXED TO THE SHARED BRICK PARTY WALL): SECTION 2 PARTY WALL NOTICE MAY APPLY — CONFIRM WITH A PARTY WALL SURVEYOR. - GENERAL PRINCIPLE: IF YOU ARE REPLACING A FENCE ON THE BOUNDARY LINE AND FIXING INTO A SHARED PARTY WALL, DISCUSS WITH THE NEIGHBOUR AND CONSIDER WHETHER A PARTY WALL NOTICE IS REQUIRED.

BOUNDARY OWNERSHIP AND FENCE RESPONSIBILITY: THE DEEDS OF A LONDON VICTORIAN TERRACE (USUALLY RECORDED AT THE LAND REGISTRY) SHOULD IDENTIFY WHICH BOUNDARY FENCE IS THE OWNER\'S RESPONSIBILITY (INDICATED BY AN \'L OR T MARK\' ON THE TITLE PLAN — THE LETTERS FALL ON THE SIDE OF THE RESPONSIBILITY). WHERE THE DEEDS ARE UNCLEAR, THE COMMON ASSUMPTION IS: - LEFT-HAND BOUNDARY (AS YOU FACE THE PROPERTY FROM THE ROAD): TYPICALLY THE OWNER\'S RESPONSIBILITY. - THIS IS A DEFAULT ONLY — CHECK THE TITLE DOCUMENTS.

COSTS (SUPPLY AND FIT, LONDON 2025-2026): CLOSEBOARD FEATHERBOARD FENCE (1.8M HIGH, PRESSURE-TREATED POSTS IN CONCRETE — PER METRE RUN): £80-160/M CONCRETE GRAVEL BOARD + CLOSEBOARD FENCE (1.8M HIGH, CONCRETE POSTS — PER METRE RUN): £100-180/M SLATTED HARDWOOD FENCE (HORIZONTAL BOARDS, METAL POSTS, 1.8M HIGH — PER METRE RUN): £200-400/M FENCE POST REPLACEMENT (CONCRETE REPAIR — PER POST): £60-150 FENCE PANEL REPLACEMENT (STANDARD 1.8M × 1.8M PANEL — SUPPLY AND FIT): £80-180

Frequently Asked Questions

How high can my garden fence be without planning permission?
REAR GARDEN BOUNDARY FENCE (NOT ADJACENT TO A HIGHWAY): MAXIMUM 2M WITHOUT PLANNING PERMISSION (PERMITTED DEVELOPMENT). FENCE ADJACENT TO A HIGHWAY (FRONT GARDEN, SIDE BOUNDARY FRONTING A ROAD OR FOOTPATH): MAXIMUM 1M WITHOUT PLANNING PERMISSION. THESE RULES APPLY IN CONSERVATION AREAS BUT CONFIRM WHETHER AN ARTICLE 4 DIRECTION RESTRICTS FRONT BOUNDARY FENCE ALTERATIONS IN YOUR SPECIFIC CONSERVATION AREA.
Does the Party Wall Act apply to garden fences?
NO — TIMBER FENCES ARE NOT \'WALLS\' FOR THE PURPOSES OF THE PARTY WALL ACT 1996. HOWEVER: IF FENCE POSTS INVOLVE DEEP CONCRETE FOOTINGS WITHIN 3M OF A NEIGHBOURING FOUNDATION AT GREATER DEPTH (SECTION 6); OR IF THE FENCE IS PHYSICALLY ATTACHED TO A SHARED PARTY WALL (SECTION 2) — A PARTY WALL NOTICE MAY APPLY. CONFIRM WITH A PARTY WALL SURVEYOR FOR BOUNDARY FENCE WORK CLOSE TO OR ATTACHED TO A SHARED MASONRY WALL.
What is the best fence type for a London Victorian terrace rear garden?
FOR A TRADITIONAL PERIOD-APPROPRIATE REAR GARDEN: CLOSEBOARD FEATHERBOARD FENCE (PRESSURE-TREATED SOFTWOOD, 1.8M HIGH, CONCRETE GRAVEL BOARD AT THE BASE) IS THE MOST PRACTICAL AND COST-EFFECTIVE CHOICE. FOR A CONTEMPORARY REAR EXTENSION AND GARDEN PROJECT: HORIZONTAL SLATTED HARDWOOD FENCE (GARAPA, CUMARU, OR IROKO) WITH GALVANISED STEEL POSTS OFFERS A CLEANER AESTHETIC AND 25+ YEARS DURABILITY WITHOUT TREATMENT. ALWAYS INSTALL CONCRETE GRAVEL BOARDS AT THE BASE OF ANY TIMBER FENCE — THEY EXTEND THE LIFE OF THE BOARDS SIGNIFICANTLY BY KEEPING THEM CLEAR OF GROUND CONTACT.
Whose responsibility is the garden fence — mine or my neighbour's?
BOUNDARY RESPONSIBILITY IS DETERMINED BY THE TITLE DEEDS (LAND REGISTRY) — LOOK FOR \'T\' OR \'L\' MARKS ON THE TITLE PLAN INDICATING WHICH SIDE OF THE BOUNDARY HAS MAINTENANCE RESPONSIBILITY. A DEFAULT ASSUMPTION (NOT LEGALLY BINDING) IS THAT THE LEFT-HAND BOUNDARY (AS YOU FACE THE PROPERTY FROM THE ROAD) IS THE OWNER\'S RESPONSIBILITY — BUT THIS VARIES AND THE DEEDS TAKE PRECEDENCE. CONFIRM OWNERSHIP BEFORE REPLACING A BOUNDARY FENCE.
How much does a new garden fence cost in London?
CLOSEBOARD FEATHERBOARD FENCE (1.8M HIGH, TREATED POSTS IN CONCRETE, PER METRE RUN): £80-160/M. CONCRETE GRAVEL BOARD + CLOSEBOARD: £100-180/M. SLATTED HARDWOOD FENCE (1.8M HIGH, METAL POSTS): £200-400/M. FENCE PANEL REPLACEMENT (1.8M × 1.8M PANEL): £80-180. FENCE POST REPLACEMENT (CONCRETE REPAIR PER POST): £60-150. ALL COSTS LONDON 2025-2026.

Important Note

This guide is for general information only. Building regulations, planning rules, and legal requirements change regularly and vary by local authority. Always seek professional advice specific to your project and location. RCB Design & Build offers free initial consultations — book your free survey.

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