DPS JournalPractical advice on house extensions, loft conversions, planning permission and home design across South West London and Surrey — written by the DPS team.https://www.dpsco.co.uk/en-gbShould you move or extend? A practical guide for London homeownershttps://www.dpsco.co.uk/blog/moving-vs-house-extensions/https://www.dpsco.co.uk/blog/moving-vs-house-extensions/A simple framework for the move-vs-extend decision in South West London — comparing real costs, timelines, stamp duty, disruption and resale uplift. With current 2026 numbers.Fri, 20 Mar 2026 00:00:00 GMTDesignTypes of house extensions explained — a London homeowner guidehttps://www.dpsco.co.uk/blog/types-of-house-extensions/https://www.dpsco.co.uk/blog/types-of-house-extensions/Single-storey, double-storey, side-return, wrap-around — which extension type suits your home and your goals? A practical breakdown with cost ranges and planning notes for South West London.Thu, 22 Jan 2026 00:00:00 GMTDesign6 reasons to extend your London terraced househttps://www.dpsco.co.uk/blog/6-reasons-to-extend-your-terraced-house-in-2018/https://www.dpsco.co.uk/blog/6-reasons-to-extend-your-terraced-house-in-2018/Beyond the obvious — light, layout, lifestyle and resale value. Six reasons most London terrace owners are better off extending than moving, with realistic costs and timelines.Thu, 15 Apr 2021 00:00:00 GMTDesignNew build versus extension — which is right for your London plot?https://www.dpsco.co.uk/blog/new-build-or-home-extension-reasons-to-choose-right/https://www.dpsco.co.uk/blog/new-build-or-home-extension-reasons-to-choose-right/Most homeowners default to extending. Sometimes a full new build is the better answer — financially, architecturally and emotionally. How to know which side of the line you are on.Tue, 25 Jul 2017 00:00:00 GMTDesignSingle or double-storey extension? How to choose for your London homehttps://www.dpsco.co.uk/blog/how-to-choose-between-single-or-double-storey-extension/https://www.dpsco.co.uk/blog/how-to-choose-between-single-or-double-storey-extension/Single-storey extensions are simpler and cheaper. Double-storey deliver more space per pound. A practical decision framework — with cost ratios, build times and planning constraints.Sun, 25 Jun 2017 00:00:00 GMTDesign7 questions to ask before extending your London homehttps://www.dpsco.co.uk/blog/7-questions-you-should-ask-yourself-before-extending-your-house/https://www.dpsco.co.uk/blog/7-questions-you-should-ask-yourself-before-extending-your-house/Preparation saves more than money — it saves regret. Seven questions every homeowner should answer before signing a contract for a London house extension.Thu, 16 Jun 2016 00:00:00 GMTDesignFlat versus pitched roofs for London extensionshttps://www.dpsco.co.uk/blog/flat-vs-pitched-roofs/https://www.dpsco.co.uk/blog/flat-vs-pitched-roofs/When a flat roof is the right choice for your extension, and when you should pitch it. Cost, light, planning context and architectural fit — explained from the build floor.Tue, 31 May 2016 00:00:00 GMTDesignWhy your London loft is the cheapest space you will ever addhttps://www.dpsco.co.uk/blog/why-to-start-considering-a-loft-conversion/https://www.dpsco.co.uk/blog/why-to-start-considering-a-loft-conversion/A loft conversion is the only way to add a full extra floor without losing garden — and in most SW London terraces it falls under permitted development. Why a loft is usually the smartest first move.Wed, 25 May 2016 00:00:00 GMTDesignRear extension ideas — inspiration from real London buildshttps://www.dpsco.co.uk/blog/rear-extension-ideas/https://www.dpsco.co.uk/blog/rear-extension-ideas/A curated set of completed DPSco rear extensions across South West London. Use them to clarify what you want — open kitchen, vaulted ceiling, glass roof, garden flow.Mon, 25 Apr 2016 00:00:00 GMTDesign